54987916 has 6 divisors (see below), whose sum is σ = 96228860. Its totient is φ = 27493956.

The previous prime is 54987899. The next prime is 54987937. The reversal of 54987916 is 61978945.

It is a self number, because there is not a number n which added to its sum of digits gives 54987916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6873486 + ... + 6873493.

Almost surely, 2^54987916 is an apocalyptic number.

It is an amenable number.

54987916 is a deficient number, since it is larger than the sum of its proper divisors (41240944).

54987916 is a wasteful number, since it uses less digits than its factorization.

54987916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746983 (or 13746981 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 54987916 is about 7415.3837392275. The cubic root of 54987916 is about 380.2673925952.

The spelling of 54987916 in words is "fifty-four million, nine hundred eighty-seven thousand, nine hundred sixteen".