55662912 has 84 divisors (see below), whose sum is σ = 163508436. Its totient is φ = 18094080.

The previous prime is 55662883. The next prime is 55662961. The reversal of 55662912 is 21926655.

55662912 is a `hidden beast` number, since 5 + 566 + 2 + 91 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 49787136 = 2424^2 + 7056^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 22438 + ... + 24794.

It is an arithmetic number, because the mean of its divisors is an integer number (1946529).

Almost surely, 2^55662912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55662912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81754218).

55662912 is an abundant number, since it is smaller than the sum of its proper divisors (107845524).

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

55662912 is a wasteful number, since it uses less digits than its factorization.

55662912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2403 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 55662912 is about 7460.7581384200. The cubic root of 55662912 is about 381.8170409366.

The spelling of 55662912 in words is "fifty-five million, six hundred sixty-two thousand, nine hundred twelve".