53931664 has 20 divisors (see below), whose sum is σ = 106265520. Its totient is φ = 26508320.

The previous prime is 53931649. The next prime is 53931673. The reversal of 53931664 is 46613935.

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, 27622 + ... + 29509.

It is an arithmetic number, because the mean of its divisors is an integer number (5313276).

Almost surely, 2^53931664 is an apocalyptic number.

It is an amenable number.

53931664 is a deficient number, since it is larger than the sum of its proper divisors (52333856).

53931664 is a wasteful number, since it uses less digits than its factorization.

53931664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57198 (or 57192 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 53931664 is about 7343.8180805355. The cubic root of 53931664 is about 377.8168069891.

The spelling of 53931664 in words is "fifty-three million, nine hundred thirty-one thousand, six hundred sixty-four".