55025828 has 24 divisors (see below), whose sum is σ = 113131200. Its totient is φ = 23087520.

The previous prime is 55025809. The next prime is 55025897. The reversal of 55025828 is 82852055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47528 + ... + 48671.

It is an arithmetic number, because the mean of its divisors is an integer number (4713800).

Almost surely, 2^55025828 is an apocalyptic number.

It is an amenable number.

55025828 is an abundant number, since it is smaller than the sum of its proper divisors (58105372).

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

55025828 is a wasteful number, since it uses less digits than its factorization.

55025828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96227 (or 96225 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 55025828 is about 7417.9396061171. The cubic root of 55025828 is about 380.3547656428.

Subtracting from 55025828 its product of nonzero digits (32000), we obtain a triangular number (54993828 = T₁₀₄₈₇).

The spelling of 55025828 in words is "fifty-five million, twenty-five thousand, eight hundred twenty-eight".