55508828 has 12 divisors (see below), whose sum is σ = 97205472. Its totient is φ = 27735840.

The previous prime is 55508819. The next prime is 55508837. The reversal of 55508828 is 82880555.

It is an interprime number because it is at equal distance from previous prime (55508819) and next prime (55508837).

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, 3776 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (8100456).

Almost surely, 2^55508828 is an apocalyptic number.

It is an amenable number.

55508828 is a deficient number, since it is larger than the sum of its proper divisors (41696644).

55508828 is a wasteful number, since it uses less digits than its factorization.

55508828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292 (or 9290 counting only the distinct ones).

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

The square root of 55508828 is about 7450.4246858820. The cubic root of 55508828 is about 381.4644047804.

The spelling of 55508828 in words is "fifty-five million, five hundred eight thousand, eight hundred twenty-eight".