52724530 has 8 divisors (see below), whose sum is σ = 94904172. Its totient is φ = 21089808.

The previous prime is 52724527. The next prime is 52724543. The reversal of 52724530 is 3542725.

It can be written as a sum of positive squares in 2 ways, for example, as 51710481 + 1014049 = 7191^2 + 1007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2636217 + ... + 2636236.

Almost surely, 2^52724530 is an apocalyptic number.

52724530 is a deficient number, since it is larger than the sum of its proper divisors (42179642).

52724530 is a wasteful number, since it uses less digits than its factorization.

52724530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272460.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 52724530 is about 7261.1658843467. The cubic root of 52724530 is about 374.9766622513.

The spelling of 52724530 in words is "fifty-two million, seven hundred twenty-four thousand, five hundred thirty".