53364864 has 64 divisors (see below), whose sum is σ = 162008640. Its totient is φ = 15246336.

The previous prime is 53364847. The next prime is 53364869. The reversal of 53364864 is 46846335.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53364869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7239 + ... + 12614.

It is an arithmetic number, because the mean of its divisors is an integer number (2531385).

Almost surely, 2^53364864 is an apocalyptic number.

It is an amenable number.

53364864 is an abundant number, since it is smaller than the sum of its proper divisors (108643776).

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

53364864 is a wasteful number, since it uses less digits than its factorization.

53364864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19877 (or 19865 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 53364864 is about 7305.1258716055. The cubic root of 53364864 is about 376.4885756724.

The spelling of 53364864 in words is "fifty-three million, three hundred sixty-four thousand, eight hundred sixty-four".