54045972 has 36 divisors (see below), whose sum is σ = 136980480. Its totient is φ = 17967312.

The previous prime is 54045961. The next prime is 54045977. The reversal of 54045972 is 27954045.

54045972 is a `hidden beast` number, since 540 + 45 + 9 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54045977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13293 + ... + 16875.

Almost surely, 2^54045972 is an apocalyptic number.

It is an amenable number.

54045972 is an abundant number, since it is smaller than the sum of its proper divisors (82934508).

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

54045972 is a wasteful number, since it uses less digits than its factorization.

54045972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 54045972 is about 7351.5965612920. The cubic root of 54045972 is about 378.0835458232.

The spelling of 54045972 in words is "fifty-four million, forty-five thousand, nine hundred seventy-two".