52239264 has 192 divisors, whose sum is σ = 176504832. Its totient is φ = 13132800.

The previous prime is 52239217. The next prime is 52239293. The reversal of 52239264 is 46293225.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273409 + ... + 273599.

It is an arithmetic number, because the mean of its divisors is an integer number (919296).

Almost surely, 2^52239264 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 52239264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88252416).

52239264 is an abundant number, since it is smaller than the sum of its proper divisors (124265568).

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

52239264 is a wasteful number, since it uses less digits than its factorization.

52239264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 251 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 52239264 is about 7227.6734846007. The cubic root of 52239264 is about 373.8227114008.

The spelling of 52239264 in words is "fifty-two million, two hundred thirty-nine thousand, two hundred sixty-four".