55207896 has 64 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 17942400.

The previous prime is 55207883. The next prime is 55207903. The reversal of 55207896 is 69870255.

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, 304926 + ... + 305106.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^55207896 is an apocalyptic number.

It is an amenable number.

55207896 is an abundant number, since it is smaller than the sum of its proper divisors (86315304).

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

55207896 is a wasteful number, since it uses less digits than its factorization.

55207896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 55207896 is about 7430.2016123387. The cubic root of 55207896 is about 380.7738063980.

The spelling of 55207896 in words is "fifty-five million, two hundred seven thousand, eight hundred ninety-six".