52172764 has 12 divisors (see below), whose sum is σ = 104345584. Its totient is φ = 22359744.

The previous prime is 52172759. The next prime is 52172767. The reversal of 52172764 is 46727125.

52172764 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52172767) 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, 931629 + ... + 931684.

Almost surely, 2^52172764 is an apocalyptic number.

It is an amenable number.

52172764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52172764 is a wasteful number, since it uses less digits than its factorization.

52172764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863324 (or 1863322 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 52172764 is about 7223.0716457751. The cubic root of 52172764 is about 373.6640199979.

Adding to 52172764 its reverse (46727125), we get a palindrome (98899889).

The spelling of 52172764 in words is "fifty-two million, one hundred seventy-two thousand, seven hundred sixty-four".