55258884 has 18 divisors (see below), whose sum is σ = 139682270. Its totient is φ = 18419616.

The previous prime is 55258873. The next prime is 55258919. The reversal of 55258884 is 48885255.

It can be written as a sum of positive squares in only one way, i.e., 52272900 + 2985984 = 7230^2 + 1728^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767449 + ... + 767520.

Almost surely, 2^55258884 is an apocalyptic number.

It is an amenable number.

55258884 is an abundant number, since it is smaller than the sum of its proper divisors (84423386).

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

55258884 is a wasteful number, since it uses less digits than its factorization.

55258884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534979 (or 1534974 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 55258884 is about 7433.6319521483. The cubic root of 55258884 is about 380.8909932641.

The spelling of 55258884 in words is "fifty-five million, two hundred fifty-eight thousand, eight hundred eighty-four".