55336880 has 40 divisors (see below), whose sum is σ = 131804064. Its totient is φ = 21593600.

The previous prime is 55336877. The next prime is 55336909. The reversal of 55336880 is 8863355.

It is a tau number, because it is divible by the number of its divisors (40).

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, 5156 + ... + 11715.

Almost surely, 2^55336880 is an apocalyptic number.

It is an amenable number.

55336880 is an abundant number, since it is smaller than the sum of its proper divisors (76467184).

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

55336880 is a wasteful number, since it uses less digits than its factorization.

55336880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925 (or 16919 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55336880 is about 7438.8762592209. The cubic root of 55336880 is about 381.0701138293.

The spelling of 55336880 in words is "fifty-five million, three hundred thirty-six thousand, eight hundred eighty".