52638224 has 10 divisors (see below), whose sum is σ = 101986590. Its totient is φ = 26319104.

The previous prime is 52638221. The next prime is 52638251. The reversal of 52638224 is 42283625.

It can be written as a sum of positive squares in only one way, i.e., 52301824 + 336400 = 7232^2 + 580^2 .

It is not an unprimeable number, because it can be changed into a prime (52638221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644929 + ... + 1644960.

It is an arithmetic number, because the mean of its divisors is an integer number (10198659).

Almost surely, 2^52638224 is an apocalyptic number.

It is an amenable number.

52638224 is a deficient number, since it is larger than the sum of its proper divisors (49348366).

52638224 is a wasteful number, since it uses less digits than its factorization.

52638224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289897 (or 3289891 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 52638224 is about 7255.2204652926. The cubic root of 52638224 is about 374.7719478592.

The spelling of 52638224 in words is "fifty-two million, six hundred thirty-eight thousand, two hundred twenty-four".