55464732 has 18 divisors (see below), whose sum is σ = 140202608. Its totient is φ = 18488232.

The previous prime is 55464713. The next prime is 55464749. The reversal of 55464732 is 23746455.

55464732 is a `hidden beast` number, since 5 + 5 + 4 + 647 + 3 + 2 = 666.

55464732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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: 1540687 = 55464732 / (5 + 5 + 4 + 6 + 4 + 7 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770308 + ... + 770379.

Almost surely, 2^55464732 is an apocalyptic number.

It is an amenable number.

55464732 is an abundant number, since it is smaller than the sum of its proper divisors (84737876).

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

55464732 is a wasteful number, since it uses less digits than its factorization.

55464732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540697 (or 1540692 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55464732 is about 7447.4648035422. The cubic root of 55464732 is about 381.3633667344.

The spelling of 55464732 in words is "fifty-five million, four hundred sixty-four thousand, seven hundred thirty-two".