52399570 has 16 divisors (see below), whose sum is σ = 95186520. Its totient is φ = 20767104.

The previous prime is 52399553. The next prime is 52399573. The reversal of 52399570 is 7599325.

It can be written as a sum of positive squares in 4 ways, for example, as 50140561 + 2259009 = 7081^2 + 1503^2 .

It is not an unprimeable number, because it can be changed into a prime (52399573) 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, 22947 + ... + 25126.

Almost surely, 2^52399570 is an apocalyptic number.

52399570 is a deficient number, since it is larger than the sum of its proper divisors (42786950).

52399570 is a wasteful number, since it uses less digits than its factorization.

52399570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48189.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 52399570 is about 7238.7547271613. The cubic root of 52399570 is about 374.2047026796.

The spelling of 52399570 in words is "fifty-two million, three hundred ninety-nine thousand, five hundred seventy".