52564918 has 16 divisors (see below), whose sum is σ = 95412384. Its totient is φ = 21202560.

The previous prime is 52564873. The next prime is 52564937. The reversal of 52564918 is 81946525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110193 + ... + 110668.

It is an arithmetic number, because the mean of its divisors is an integer number (5963274).

Almost surely, 2^52564918 is an apocalyptic number.

52564918 is a deficient number, since it is larger than the sum of its proper divisors (42847466).

52564918 is a wasteful number, since it uses less digits than its factorization.

52564918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220887.

The product of its digits is 86400, while the sum is 40.

The square root of 52564918 is about 7250.1667567029. The cubic root of 52564918 is about 374.5978931291.

The spelling of 52564918 in words is "fifty-two million, five hundred sixty-four thousand, nine hundred eighteen".