55554732 has 18 divisors (see below), whose sum is σ = 140430108. Its totient is φ = 18518232.

The previous prime is 55554701. The next prime is 55554743. The reversal of 55554732 is 23745555.

55554732 is digitally balanced in base 9, 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 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: 1543187 = 55554732 / (5 + 5 + 5 + 5 + 4 + 7 + 3 + 2).

55554732 is strictly pandigital in base 9.

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, 771558 + ... + 771629.

Almost surely, 2^55554732 is an apocalyptic number.

It is an amenable number.

55554732 is an abundant number, since it is smaller than the sum of its proper divisors (84875376).

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

55554732 is a wasteful number, since it uses less digits than its factorization.

55554732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543197 (or 1543192 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55554732 is about 7453.5046790084. The cubic root of 55554732 is about 381.5695287036.

The spelling of 55554732 in words is "fifty-five million, five hundred fifty-four thousand, seven hundred thirty-two".