54557472 has 48 divisors (see below), whose sum is σ = 149446080. Its totient is φ = 17394432.

The previous prime is 54557467. The next prime is 54557491. The reversal of 54557472 is 27475545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 54557472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10147 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (3113460).

Almost surely, 2^54557472 is an apocalyptic number.

It is an amenable number.

54557472 is an abundant number, since it is smaller than the sum of its proper divisors (94888608).

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

54557472 is a wasteful number, since it uses less digits than its factorization.

54557472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24745 (or 24737 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 54557472 is about 7386.3029994714. The cubic root of 54557472 is about 379.2725510561.

The spelling of 54557472 in words is "fifty-four million, five hundred fifty-seven thousand, four hundred seventy-two".