52668172 has 12 divisors (see below), whose sum is σ = 92428560. Its totient is φ = 26260016.

The previous prime is 52668169. The next prime is 52668173. The reversal of 52668172 is 27186625.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52668173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903 + ... + 19774.

It is an arithmetic number, because the mean of its divisors is an integer number (7702380).

Almost surely, 2^52668172 is an apocalyptic number.

It is an amenable number.

52668172 is a deficient number, since it is larger than the sum of its proper divisors (39760388).

52668172 is a wasteful number, since it uses less digits than its factorization.

52668172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040 (or 37038 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 52668172 is about 7257.2840649929. The cubic root of 52668172 is about 374.8430086561.

It can be divided in two parts, 52668 and 172, that multiplied together give a triangular number (9058896 = T₄₂₅₆).

The spelling of 52668172 in words is "fifty-two million, six hundred sixty-eight thousand, one hundred seventy-two".