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55513351541 = 319117396851
BaseRepresentation
bin110011101100110110…
…101000010101110101
312022021211011110010002
4303230312220111311
51402142404222131
641300311441045
74003446462644
oct635466502565
9168254143102
1055513351541
11215a792672a
12a913386185
13530907990b
142988a6135b
15169d9006cb
hexcecda8575

55513351541 has 4 divisors (see below), whose sum is σ = 55530751584. Its totient is φ = 55495951500.

The previous prime is 55513351501. The next prime is 55513351559. The reversal of 55513351541 is 14515331555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55513351541 - 26 = 55513351477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55513351495 and 55513351504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55513351501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8695235 + ... + 8701616.

It is an arithmetic number, because the mean of its divisors is an integer number (13882687896).

Almost surely, 255513351541 is an apocalyptic number.

It is an amenable number.

55513351541 is a deficient number, since it is larger than the sum of its proper divisors (17400043).

55513351541 is a wasteful number, since it uses less digits than its factorization.

55513351541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400042.

The product of its digits is 112500, while the sum is 38.

The spelling of 55513351541 in words is "fifty-five billion, five hundred thirteen million, three hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 3191 17396851 55513351541