55880528 has 20 divisors (see below), whose sum is σ = 118111488. Its totient is φ = 25400160.

The previous prime is 55880459. The next prime is 55880543. The reversal of 55880528 is 82508855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158576 + ... + 158927.

Almost surely, 2^55880528 is an apocalyptic number.

It is an amenable number.

55880528 is an abundant number, since it is smaller than the sum of its proper divisors (62230960).

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

55880528 is a wasteful number, since it uses less digits than its factorization.

55880528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317522 (or 317516 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 55880528 is about 7475.3279526720. The cubic root of 55880528 is about 382.3139693724.

The spelling of 55880528 in words is "fifty-five million, eight hundred eighty thousand, five hundred twenty-eight".