55103135668 has 48 divisors (see below), whose sum is σ = 112341801600. Its totient is φ = 23159928960.

The previous prime is 55103135629. The next prime is 55103135693. The reversal of 55103135668 is 86653130155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655878 + ... + 735106.

It is an arithmetic number, because the mean of its divisors is an integer number (2340454200).

Almost surely, 2^55103135668 is an apocalyptic number.

It is an amenable number.

55103135668 is an abundant number, since it is smaller than the sum of its proper divisors (57238665932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55103135668 is a wasteful number, since it uses less digits than its factorization.

55103135668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79720 (or 79718 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 55103135668 in words is "fifty-five billion, one hundred three million, one hundred thirty-five thousand, six hundred sixty-eight".