52172680 has 64 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 17804544.

The previous prime is 52172663. The next prime is 52172713. The reversal of 52172680 is 8627125.

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 in 15 ways as a sum of consecutive naturals, for example, 108681 + ... + 109159.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^52172680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52172680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).

52172680 is an abundant number, since it is smaller than the sum of its proper divisors (82611320).

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

52172680 is a wasteful number, since it uses less digits than its factorization.

52172680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 52172680 is about 7223.0658310720. The cubic root of 52172680 is about 373.6638194604.

The spelling of 52172680 in words is "fifty-two million, one hundred seventy-two thousand, six hundred eighty".