52758864 has 50 divisors (see below), whose sum is σ = 152703210. Its totient is φ = 17585856.

The previous prime is 52758851. The next prime is 52758907. The reversal of 52758864 is 46885725.

52758864 is a `hidden beast` number, since 5 + 2 + 7 + 588 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 11696400 = 6408^2 + 3420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19059 + ... + 21650.

Almost surely, 2^52758864 is an apocalyptic number.

52758864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52758864 is an abundant number, since it is smaller than the sum of its proper divisors (99944346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52758864 is a wasteful number, since it uses less digits than its factorization.

52758864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40729 (or 40714 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 52758864 is about 7263.5297204596. The cubic root of 52758864 is about 375.0580390168.

The spelling of 52758864 in words is "fifty-two million, seven hundred fifty-eight thousand, eight hundred sixty-four".