54399964 has 12 divisors (see below), whose sum is σ = 100210600. Its totient is φ = 25768368.

The previous prime is 54399959. The next prime is 54399971. The reversal of 54399964 is 46999345.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357819 + ... + 357970.

Almost surely, 2^54399964 is an apocalyptic number.

It is an amenable number.

54399964 is a deficient number, since it is larger than the sum of its proper divisors (45810636).

54399964 is a wasteful number, since it uses less digits than its factorization.

54399964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715812 (or 715810 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 54399964 is about 7375.6331253663. The cubic root of 54399964 is about 378.9072112919.

The spelling of 54399964 in words is "fifty-four million, three hundred ninety-nine thousand, nine hundred sixty-four".