54987904 has 32 divisors (see below), whose sum is σ = 110022300. Its totient is φ = 27374592.

The previous prime is 54987899. The next prime is 54987937. The reversal of 54987904 is 40978945.

It can be written as a sum of positive squares in 2 ways, for example, as 45697600 + 9290304 = 6760^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 33634 + ... + 35230.

Almost surely, 2^54987904 is an apocalyptic number.

It is an amenable number.

54987904 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

54987904 is a wasteful number, since it uses less digits than its factorization.

54987904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 54987904 is about 7415.3829300988. The cubic root of 54987904 is about 380.2673649333.

The spelling of 54987904 in words is "fifty-four million, nine hundred eighty-seven thousand, nine hundred four".