54155664 has 30 divisors (see below), whose sum is σ = 151561046. Its totient is φ = 18051840.

The previous prime is 54155657. The next prime is 54155677. The reversal of 54155664 is 46655145.

54155664 is a `hidden beast` number, since 5 + 41 + 556 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 4875264 = 7020^2 + 2208^2 .

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

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, 187897 + ... + 188184.

Almost surely, 2^54155664 is an apocalyptic number.

It is an amenable number.

54155664 is an abundant number, since it is smaller than the sum of its proper divisors (97405382).

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

54155664 is a wasteful number, since it uses less digits than its factorization.

54155664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376095 (or 376086 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54155664 is about 7359.0531999708. The cubic root of 54155664 is about 378.3391597793.

The spelling of 54155664 in words is "fifty-four million, one hundred fifty-five thousand, six hundred sixty-four".