55028925 has 36 divisors (see below), whose sum is σ = 112646560. Its totient is φ = 25155360.

The previous prime is 55028891. The next prime is 55028947. The reversal of 55028925 is 52982055.

55028925 is a `hidden beast` number, since 550 + 2 + 89 + 25 = 666.

It is not a de Polignac number, because 55028925 - 2⁶ = 55028861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55028925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15895 + ... + 19044.

Almost surely, 2^55028925 is an apocalyptic number.

It is an amenable number.

55028925 is an abundant number, since it is smaller than the sum of its proper divisors (57617635).

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

55028925 is a wasteful number, since it uses less digits than its factorization.

55028925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34962 (or 34954 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55028925 is about 7418.1483538684. The cubic root of 55028925 is about 380.3619013017.

The spelling of 55028925 in words is "fifty-five million, twenty-eight thousand, nine hundred twenty-five".