55675857655 has 24 divisors (see below), whose sum is σ = 73485266400. Its totient is φ = 40464874560.

The previous prime is 55675857647. The next prime is 55675857673.

55675857655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55675857655 - 2³ = 55675857647 is a prime.

It is a super-2 number, since 2×55675857655² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913681 + ... + 972709.

It is an arithmetic number, because the mean of its divisors is an integer number (3061886100).

Almost surely, 2^55675857655 is an apocalyptic number.

55675857655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55675857655 is a deficient number, since it is larger than the sum of its proper divisors (17809408745).

55675857655 is a wasteful number, since it uses less digits than its factorization.

55675857655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60615 (or 60604 counting only the distinct ones).

The product of its digits is 220500000, while the sum is 64.

The spelling of 55675857655 in words is "fifty-five billion, six hundred seventy-five million, eight hundred fifty-seven thousand, six hundred fifty-five".