53385664 has 14 divisors (see below), whose sum is σ = 105937304. Its totient is φ = 26692800.

The previous prime is 53385641. The next prime is 53385677. The reversal of 53385664 is 46658335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417012 + ... + 417139.

Almost surely, 2^53385664 is an apocalyptic number.

It is an amenable number.

53385664 is a deficient number, since it is larger than the sum of its proper divisors (52551640).

53385664 is an equidigital number, since it uses as much as digits as its factorization.

53385664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834163 (or 834153 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 53385664 is about 7306.5493907863. The cubic root of 53385664 is about 376.5374839152.

The spelling of 53385664 in words is "fifty-three million, three hundred eighty-five thousand, six hundred sixty-four".