52615872 has 56 divisors (see below), whose sum is σ = 154686000. Its totient is φ = 17538048.

The previous prime is 52615861. The next prime is 52615879. The reversal of 52615872 is 27851625.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52615879) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13497 + ... + 16952.

It is an arithmetic number, because the mean of its divisors is an integer number (2762250).

Almost surely, 2^52615872 is an apocalyptic number.

It is an amenable number.

52615872 is an abundant number, since it is smaller than the sum of its proper divisors (102070128).

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

52615872 is a wasteful number, since it uses less digits than its factorization.

52615872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30470 (or 30454 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 52615872 is about 7253.6798936816. The cubic root of 52615872 is about 374.7188933301.

The spelling of 52615872 in words is "fifty-two million, six hundred fifteen thousand, eight hundred seventy-two".