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55261053344 = 2573114295569
BaseRepresentation
bin110011011101110100…
…001100000110100000
312021122020102101001102
4303131310030012200
51401133312201334
641215300053532
73664264126460
oct633564140640
9167566371042
1055261053344
1121488473322
12a8629942a8
135298a11143
142963347ba0
1516866b567e
hexcddd0c1a0

55261053344 has 96 divisors (see below), whose sum is σ = 128461132800. Its totient is φ = 22899179520.

The previous prime is 55261053319. The next prime is 55261053359. The reversal of 55261053344 is 44335016255.

It is a junction number, because it is equal to n+sod(n) for n = 55261053298 and 55261053307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9920192 + ... + 9925760.

It is an arithmetic number, because the mean of its divisors is an integer number (1338136800).

Almost surely, 255261053344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55261053344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64230566400).

55261053344 is an abundant number, since it is smaller than the sum of its proper divisors (73200079456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55261053344 is a wasteful number, since it uses less digits than its factorization.

55261053344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 55261053344 its reverse (44335016255), we get a palindrome (99596069599).

The spelling of 55261053344 in words is "fifty-five billion, two hundred sixty-one million, fifty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 112 124 217 224 248 434 496 868 992 1429 1736 2858 3472 5569 5716 6944 10003 11138 11432 20006 22276 22864 38983 40012 44299 44552 45728 77966 80024 88598 89104 155932 160048 172639 177196 178208 310093 311864 320096 345278 354392 620186 623728 690556 708784 1208473 1240372 1247456 1381112 1417568 2416946 2480744 2762224 4833892 4961488 5524448 7958101 9667784 9922976 15916202 19335568 31832404 38671136 55706707 63664808 111413414 127329616 222826828 246701131 254659232 445653656 493402262 891307312 986804524 1726907917 1782614624 1973609048 3453815834 3947218096 6907631668 7894436192 13815263336 27630526672 55261053344