52624668 has 12 divisors (see below), whose sum is σ = 122790920. Its totient is φ = 17541552.

The previous prime is 52624643. The next prime is 52624679. The reversal of 52624668 is 86642625.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×52624668² = 5538711364220448, 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 in 3 ways as a sum of consecutive naturals, for example, 2192683 + ... + 2192706.

Almost surely, 2^52624668 is an apocalyptic number.

It is an amenable number.

52624668 is an abundant number, since it is smaller than the sum of its proper divisors (70166252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52624668 is a wasteful number, since it uses less digits than its factorization.

52624668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385396 (or 4385394 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 52624668 is about 7254.2861812862. The cubic root of 52624668 is about 374.7397732383.

The spelling of 52624668 in words is "fifty-two million, six hundred twenty-four thousand, six hundred sixty-eight".