52688626 has 16 divisors (see below), whose sum is σ = 80386200. Its totient is φ = 25895808.

The previous prime is 52688591. The next prime is 52688651. The reversal of 52688626 is 62688625.

It can be written as a sum of positive squares in 4 ways, for example, as 44876601 + 7812025 = 6699^2 + 2795^2 .

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, 73960 + ... + 74668.

Almost surely, 2^52688626 is an apocalyptic number.

52688626 is a deficient number, since it is larger than the sum of its proper divisors (27697574).

52688626 is a wasteful number, since it uses less digits than its factorization.

52688626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 276480, while the sum is 43.

The square root of 52688626 is about 7258.6931330647. The cubic root of 52688626 is about 374.8915265516.

Subtracting 52688626 from its reverse (62688625), we obtain a palindrome (9999999).

The spelling of 52688626 in words is "fifty-two million, six hundred eighty-eight thousand, six hundred twenty-six".