52668522 has 16 divisors (see below), whose sum is σ = 117041280. Its totient is φ = 17556156.

The previous prime is 52668487. The next prime is 52668547. The reversal of 52668522 is 22586625.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 487618 + ... + 487725.

It is an arithmetic number, because the mean of its divisors is an integer number (7315080).

Almost surely, 2^52668522 is an apocalyptic number.

52668522 is an abundant number, since it is smaller than the sum of its proper divisors (64372758).

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

52668522 is a wasteful number, since it uses less digits than its factorization.

52668522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975354 (or 975348 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 52668522 is about 7257.3081786569. The cubic root of 52668522 is about 374.8438389790.

The spelling of 52668522 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred twenty-two".