52345228 has 24 divisors (see below), whose sum is σ = 103844720. Its totient is φ = 22887360.

The previous prime is 52345219. The next prime is 52345229. The reversal of 52345228 is 82254325.

It is a self number, because there is not a number n which added to its sum of digits gives 52345228.

It is not an unprimeable number, because it can be changed into a prime (52345229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25503 + ... + 27478.

Almost surely, 2^52345228 is an apocalyptic number.

It is an amenable number.

52345228 is a deficient number, since it is larger than the sum of its proper divisors (51499492).

52345228 is a wasteful number, since it uses less digits than its factorization.

52345228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53017 (or 53015 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 52345228 is about 7235.0002073255. Note that the first 3 decimals coincide. The cubic root of 52345228 is about 374.0752991647.

The spelling of 52345228 in words is "fifty-two million, three hundred forty-five thousand, two hundred twenty-eight".