54240664 has 8 divisors (see below), whose sum is σ = 101701260. Its totient is φ = 27120328.

The previous prime is 54240653. The next prime is 54240707. The reversal of 54240664 is 46604245.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390034 + ... + 3390049.

Almost surely, 2^54240664 is an apocalyptic number.

It is an amenable number.

54240664 is a deficient number, since it is larger than the sum of its proper divisors (47460596).

54240664 is a wasteful number, since it uses less digits than its factorization.

54240664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780089 (or 6780085 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 54240664 is about 7364.8261350829. The cubic root of 54240664 is about 378.5369970007.

The spelling of 54240664 in words is "fifty-four million, two hundred forty thousand, six hundred sixty-four".