52522718 has 4 divisors (see below), whose sum is σ = 78784080. Its totient is φ = 26261358.

The previous prime is 52522709. The next prime is 52522733. The reversal of 52522718 is 81722525.

It is a happy number.

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

It is a super-2 number, since 2×52522718² = 5517271812215048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130678 + ... + 13130681.

It is an arithmetic number, because the mean of its divisors is an integer number (19696020).

Almost surely, 2^52522718 is an apocalyptic number.

52522718 is a deficient number, since it is larger than the sum of its proper divisors (26261362).

52522718 is a wasteful number, since it uses less digits than its factorization.

52522718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261361.

The product of its digits is 11200, while the sum is 32.

The square root of 52522718 is about 7247.2558944748. The cubic root of 52522718 is about 374.4976217954.

The spelling of 52522718 in words is "fifty-two million, five hundred twenty-two thousand, seven hundred eighteen".