52664858 has 4 divisors (see below), whose sum is σ = 78997290. Its totient is φ = 26332428.

The previous prime is 52664849. The next prime is 52664873. The reversal of 52664858 is 85846625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49885969 + 2778889 = 7063^2 + 1667^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13166213 + ... + 13166216.

Almost surely, 2^52664858 is an apocalyptic number.

52664858 is a deficient number, since it is larger than the sum of its proper divisors (26332432).

52664858 is a wasteful number, since it uses less digits than its factorization.

52664858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332431.

The product of its digits is 460800, while the sum is 44.

The square root of 52664858 is about 7257.0557390721. The cubic root of 52664858 is about 374.8351465024.

The spelling of 52664858 in words is "fifty-two million, six hundred sixty-four thousand, eight hundred fifty-eight".