55768584 has 16 divisors (see below), whose sum is σ = 139421520. Its totient is φ = 18589520.

The previous prime is 55768577. The next prime is 55768627. The reversal of 55768584 is 48586755.

It is a super-2 number, since 2×55768584² = 6220269922730112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161822 + ... + 1161869.

It is an arithmetic number, because the mean of its divisors is an integer number (8713845).

Almost surely, 2^55768584 is an apocalyptic number.

It is an amenable number.

55768584 is an abundant number, since it is smaller than the sum of its proper divisors (83652936).

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

55768584 is a wasteful number, since it uses less digits than its factorization.

55768584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323700 (or 2323696 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 55768584 is about 7467.8366345281. The cubic root of 55768584 is about 382.0585055169.

The spelling of 55768584 in words is "fifty-five million, seven hundred sixty-eight thousand, five hundred eighty-four".