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55255553050 = 25217232826371
BaseRepresentation
bin110011011101011111…
…001101010000011010
312021121212001221001211
4303131133031100122
51401130410144200
641214542133334
73664166310565
oct633537152032
9167555057054
1055255553050
1121485356925
12a860b8124a
135297836729
1429627154dc
151685e7aaba
hexcdd7cd41a

55255553050 has 48 divisors (see below), whose sum is σ = 113552321472. Its totient is φ = 19897644800.

The previous prime is 55255553047. The next prime is 55255553051. The reversal of 55255553050 is 5035555255.

It is a happy number.

It is a super-2 number, since 2×552555530502 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55255552994 and 55255553012.

It is not an unprimeable number, because it can be changed into a prime (55255553051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393636 + ... + 1432735.

It is an arithmetic number, because the mean of its divisors is an integer number (2365673364).

Almost surely, 255255553050 is an apocalyptic number.

55255553050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55255553050 is an abundant number, since it is smaller than the sum of its proper divisors (58296768422).

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

55255553050 is a wasteful number, since it uses less digits than its factorization.

55255553050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826423 (or 2826418 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 55255553050 in words is "fifty-five billion, two hundred fifty-five million, five hundred fifty-three thousand, fifty".

Divisors: 1 2 5 10 17 23 25 34 46 50 85 115 170 230 391 425 575 782 850 1150 1955 3910 9775 19550 2826371 5652742 14131855 28263710 48048307 65006533 70659275 96096614 130013066 141318550 240241535 325032665 480483070 650065330 1105111061 1201207675 1625163325 2210222122 2402415350 3250326650 5525555305 11051110610 27627776525 55255553050