53907664 has 20 divisors (see below), whose sum is σ = 106007104. Its totient is φ = 26551008.

The previous prime is 53907643. The next prime is 53907683. The reversal of 53907664 is 46670935.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 24072 + ... + 26215.

Almost surely, 2^53907664 is an apocalyptic number.

It is an amenable number.

53907664 is a deficient number, since it is larger than the sum of its proper divisors (52099440).

53907664 is a wasteful number, since it uses less digits than its factorization.

53907664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50362 (or 50356 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 53907664 is about 7342.1838713015. The cubic root of 53907664 is about 377.7607548910.

The spelling of 53907664 in words is "fifty-three million, nine hundred seven thousand, six hundred sixty-four".