54332564 has 72 divisors (see below), whose sum is σ = 116786208. Its totient is φ = 21792960.

The previous prime is 54332563. The next prime is 54332581. The reversal of 54332564 is 46523345.

It is a self number, because there is not a number n which added to its sum of digits gives 54332564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54332563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155989 + ... + 1156035.

Almost surely, 2^54332564 is an apocalyptic number.

It is an amenable number.

54332564 is an abundant number, since it is smaller than the sum of its proper divisors (62453644).

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

54332564 is a wasteful number, since it uses less digits than its factorization.

54332564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 116 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 54332564 is about 7371.0626099634. The cubic root of 54332564 is about 378.7506615534.

It can be divided in two parts, 5433 and 2564, that added together give a palindrome (7997).

The spelling of 54332564 in words is "fifty-four million, three hundred thirty-two thousand, five hundred sixty-four".