54153972 has 36 divisors (see below), whose sum is σ = 138823776. Its totient is φ = 17796240.

The previous prime is 54153961. The next prime is 54153973. The reversal of 54153972 is 27935145.

54153972 is a `hidden beast` number, since 54 + 1 + 539 + 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 (54153973) 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, 8038 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (3856216).

Almost surely, 2^54153972 is an apocalyptic number.

It is an amenable number.

54153972 is an abundant number, since it is smaller than the sum of its proper divisors (84669804).

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

54153972 is a wasteful number, since it uses less digits than its factorization.

54153972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21268 (or 21263 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 54153972 is about 7358.9382386320. The cubic root of 54153972 is about 378.3352195541.

The spelling of 54153972 in words is "fifty-four million, one hundred fifty-three thousand, nine hundred seventy-two".