55637152557 has 24 divisors (see below), whose sum is σ = 87509788992. Its totient is φ = 31344868800.

The previous prime is 55637152469. The next prime is 55637152579. The reversal of 55637152557 is 75525173655.

It is not a de Polignac number, because 55637152557 - 2⁸ = 55637152301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55637152057) 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, 2654944 + ... + 2675817.

It is an arithmetic number, because the mean of its divisors is an integer number (3646241208).

Almost surely, 2^55637152557 is an apocalyptic number.

It is an amenable number.

55637152557 is a deficient number, since it is larger than the sum of its proper divisors (31872636435).

55637152557 is a wasteful number, since it uses less digits than its factorization.

55637152557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330849 (or 5330842 counting only the distinct ones).

The product of its digits is 5512500, while the sum is 51.

The spelling of 55637152557 in words is "fifty-five billion, six hundred thirty-seven million, one hundred fifty-two thousand, five hundred fifty-seven".