54489864 has 64 divisors (see below), whose sum is σ = 160050240. Its totient is φ = 15240960.

The previous prime is 54489797. The next prime is 54489871. The reversal of 54489864 is 46898445.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4507 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (2500785).

Almost surely, 2^54489864 is an apocalyptic number.

It is an amenable number.

54489864 is an abundant number, since it is smaller than the sum of its proper divisors (105560376).

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

54489864 is a wasteful number, since it uses less digits than its factorization.

54489864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15910 (or 15906 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 54489864 is about 7381.7250016510. The cubic root of 54489864 is about 379.1158205672.

The spelling of 54489864 in words is "fifty-four million, four hundred eighty-nine thousand, eight hundred sixty-four".