55420275264 has 56 divisors (see below), whose sum is σ = 155258280288. Its totient is φ = 17386752000.

The previous prime is 55420275259. The next prime is 55420275277. The reversal of 55420275264 is 46257202455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8486362 + ... + 8492889.

Almost surely, 2^55420275264 is an apocalyptic number.

It is an amenable number.

55420275264 is an abundant number, since it is smaller than the sum of its proper divisors (99838005024).

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

55420275264 is a wasteful number, since it uses less digits than its factorization.

55420275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979283 (or 16979273 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 55420275264 in words is "fifty-five billion, four hundred twenty million, two hundred seventy-five thousand, two hundred sixty-four".