52668516 has 36 divisors (see below), whose sum is σ = 130556048. Its totient is φ = 16522368.

The previous prime is 52668487. The next prime is 52668547. The reversal of 52668516 is 61586625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4126 + ... + 11061.

Almost surely, 2^52668516 is an apocalyptic number.

It is an amenable number.

52668516 is an abundant number, since it is smaller than the sum of its proper divisors (77887532).

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

52668516 is a wasteful number, since it uses less digits than its factorization.

52668516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15228 (or 15209 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 52668516 is about 7257.3077652805. The cubic root of 52668516 is about 374.8438247449.

The spelling of 52668516 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred sixteen".