52507164 has 24 divisors (see below), whose sum is σ = 122774400. Its totient is φ = 17465584.

The previous prime is 52507159. The next prime is 52507177. The reversal of 52507164 is 46170525.

It is a congruent number.

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, 1687 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (5115600).

Almost surely, 2^52507164 is an apocalyptic number.

It is an amenable number.

52507164 is an abundant number, since it is smaller than the sum of its proper divisors (70267236).

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

52507164 is a wasteful number, since it uses less digits than its factorization.

52507164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 52507164 is about 7246.1827191977. The cubic root of 52507164 is about 374.4606504218.

Adding to 52507164 its reverse (46170525), we get a palindrome (98677689).

The spelling of 52507164 in words is "fifty-two million, five hundred seven thousand, one hundred sixty-four".