55912284 has 18 divisors (see below), whose sum is σ = 141333920. Its totient is φ = 18637416.

The previous prime is 55912273. The next prime is 55912301. The reversal of 55912284 is 48221955.

55912284 is a `hidden beast` number, since 559 + 1 + 22 + 84 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1553119 = 55912284 / (5 + 5 + 9 + 1 + 2 + 2 + 8 + 4).

It is a congruent number.

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, 776524 + ... + 776595.

Almost surely, 2^55912284 is an apocalyptic number.

It is an amenable number.

55912284 is an abundant number, since it is smaller than the sum of its proper divisors (85421636).

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

55912284 is a wasteful number, since it uses less digits than its factorization.

55912284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553129 (or 1553124 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 55912284 is about 7477.4517049594. The cubic root of 55912284 is about 382.3863766060.

It can be divided in two parts, 5591 and 2284, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 55912284 in words is "fifty-five million, nine hundred twelve thousand, two hundred eighty-four".