55756511565755 has 64 divisors (see below), whose sum is σ = 89839673054208. Its totient is φ = 32081736476160.

The previous prime is 55756511565709. The next prime is 55756511565763.

55756511565755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55756511565755 - 2⁸ = 55756511565499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85023632 + ... + 85676898.

It is an arithmetic number, because the mean of its divisors is an integer number (1403744891472).

Almost surely, 2^{55756511565755} is an apocalyptic number.

55756511565755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55756511565755 is a deficient number, since it is larger than the sum of its proper divisors (34083161488453).

55756511565755 is a wasteful number, since it uses less digits than its factorization.

55756511565755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670356.

The product of its digits is 689062500, while the sum is 68.

The spelling of 55756511565755 in words is "fifty-five trillion, seven hundred fifty-six billion, five hundred eleven million, five hundred sixty-five thousand, seven hundred fifty-five".