52236864 has 84 divisors (see below), whose sum is σ = 156277056. Its totient is φ = 16651008.

The previous prime is 52236857. The next prime is 52236893. The reversal of 52236864 is 46863225.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11277 + ... + 15219.

Almost surely, 2^52236864 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 52236864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78138528).

52236864 is an abundant number, since it is smaller than the sum of its proper divisors (104040192).

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

52236864 is a wasteful number, since it uses less digits than its factorization.

52236864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3971 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 52236864 is about 7227.5074541643. The cubic root of 52236864 is about 373.8169865356.

The spelling of 52236864 in words is "fifty-two million, two hundred thirty-six thousand, eight hundred sixty-four".