52224136 has 16 divisors (see below), whose sum is σ = 103680540. Its totient is φ = 24576000.

The previous prime is 52224091. The next prime is 52224163. The reversal of 52224136 is 63142225.

It can be written as a sum of positive squares in 2 ways, for example, as 43639236 + 8584900 = 6606^2 + 2930^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52224136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191865 + ... + 192136.

Almost surely, 2^52224136 is an apocalyptic number.

It is an amenable number.

52224136 is a deficient number, since it is larger than the sum of its proper divisors (51456404).

52224136 is a wasteful number, since it uses less digits than its factorization.

52224136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384024 (or 384020 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 52224136 is about 7226.6268756592. The cubic root of 52224136 is about 373.7866227354.

The spelling of 52224136 in words is "fifty-two million, two hundred twenty-four thousand, one hundred thirty-six".