55028502 has 24 divisors (see below), whose sum is σ = 120668184. Its totient is φ = 18121344.

The previous prime is 55028497. The next prime is 55028521. The reversal of 55028502 is 20582055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16923 + ... + 19910.

It is an arithmetic number, because the mean of its divisors is an integer number (5027841).

Almost surely, 2^55028502 is an apocalyptic number.

55028502 is an abundant number, since it is smaller than the sum of its proper divisors (65639682).

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

55028502 is a wasteful number, since it uses less digits than its factorization.

55028502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36924 (or 36921 counting only the distinct ones).

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

The square root of 55028502 is about 7418.1198426555. The cubic root of 55028502 is about 380.3609267021.

The spelling of 55028502 in words is "fifty-five million, twenty-eight thousand, five hundred two".