55502208 has 48 divisors (see below), whose sum is σ = 159716700. Its totient is φ = 18500352.

The previous prime is 55502179. The next prime is 55502221. The reversal of 55502208 is 80220555.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22938 + ... + 25241.

Almost surely, 2^55502208 is an apocalyptic number.

It is an amenable number.

55502208 is an abundant number, since it is smaller than the sum of its proper divisors (104214492).

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

55502208 is a wasteful number, since it uses less digits than its factorization.

55502208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48199 (or 48184 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55502208 is about 7449.9804026588. The cubic root of 55502208 is about 381.4492396565.

The spelling of 55502208 in words is "fifty-five million, five hundred two thousand, two hundred eight".