55375688657355 has 16 divisors (see below), whose sum is σ = 96655747474944. Its totient is φ = 26848818742880.

The previous prime is 55375688657353. The next prime is 55375688657369.

55375688657355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55375688657355 - 2¹ = 55375688657353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55375688657353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167805116979 + ... + 167805117308.

It is an arithmetic number, because the mean of its divisors is an integer number (6040984217184).

Almost surely, 2^{55375688657355} is an apocalyptic number.

55375688657355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55375688657355 is a deficient number, since it is larger than the sum of its proper divisors (41280058817589).

55375688657355 is a wasteful number, since it uses less digits than its factorization.

55375688657355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335610234306.

The product of its digits is 15876000000, while the sum is 78.

The spelling of 55375688657355 in words is "fifty-five trillion, three hundred seventy-five billion, six hundred eighty-eight million, six hundred fifty-seven thousand, three hundred fifty-five".