55357284 has 24 divisors (see below), whose sum is σ = 129420928. Its totient is φ = 18416160.

The previous prime is 55357273. The next prime is 55357301. The reversal of 55357284 is 48275355.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 10755.

Almost surely, 2^55357284 is an apocalyptic number.

It is an amenable number.

55357284 is an abundant number, since it is smaller than the sum of its proper divisors (74063644).

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

55357284 is a wasteful number, since it uses less digits than its factorization.

55357284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075 (or 9073 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 55357284 is about 7440.2475765259. The cubic root of 55357284 is about 381.1169445574.

The spelling of 55357284 in words is "fifty-five million, three hundred fifty-seven thousand, two hundred eighty-four".