52656250 has 32 divisors (see below), whose sum is σ = 99023184. Its totient is φ = 21000000.

The previous prime is 52656221. The next prime is 52656271. The reversal of 52656250 is 5265625.

It can be written as a sum of positive squares in 8 ways, for example, as 51165409 + 1490841 = 7153^2 + 1221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156082 + ... + 156418.

Almost surely, 2^52656250 is an apocalyptic number.

52656250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52656250 is a deficient number, since it is larger than the sum of its proper divisors (46366934).

52656250 is an frugal number, since it uses more digits than its factorization.

52656250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52656250 is about 7256.4626368500. The cubic root of 52656250 is about 374.8147232900.

The spelling of 52656250 in words is "fifty-two million, six hundred fifty-six thousand, two hundred fifty".