53264865 has 16 divisors (see below), whose sum is σ = 87038208. Its totient is φ = 27803136.

The previous prime is 53264843. The next prime is 53264873. The reversal of 53264865 is 56846235.

It is not a de Polignac number, because 53264865 - 2⁵ = 53264833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37072 + ... + 38481.

It is an arithmetic number, because the mean of its divisors is an integer number (5439888).

Almost surely, 2^53264865 is an apocalyptic number.

It is an amenable number.

53264865 is a deficient number, since it is larger than the sum of its proper divisors (33773343).

53264865 is a wasteful number, since it uses less digits than its factorization.

53264865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75608.

The product of its digits is 172800, while the sum is 39.

The square root of 53264865 is about 7298.2782216082. The cubic root of 53264865 is about 376.2532646523.

The spelling of 53264865 in words is "fifty-three million, two hundred sixty-four thousand, eight hundred sixty-five".