52172488 has 8 divisors (see below), whose sum is σ = 97823430. Its totient is φ = 26086240.

The previous prime is 52172447. The next prime is 52172503. The reversal of 52172488 is 88427125.

It can be written as a sum of positive squares in only one way, i.e., 32970564 + 19201924 = 5742^2 + 4382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×52172488² = 5443937008220288, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3260773 + ... + 3260788.

Almost surely, 2^52172488 is an apocalyptic number.

It is an amenable number.

52172488 is a deficient number, since it is larger than the sum of its proper divisors (45650942).

52172488 is a wasteful number, since it uses less digits than its factorization.

52172488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521567 (or 6521563 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 52172488 is about 7223.0525403045. The cubic root of 52172488 is about 373.6633610880.

The spelling of 52172488 in words is "fifty-two million, one hundred seventy-two thousand, four hundred eighty-eight".