52397522 has 8 divisors (see below), whose sum is σ = 78799500. Its totient is φ = 26131024.

The previous prime is 52397507. The next prime is 52397531. The reversal of 52397522 is 22579325.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 13097161 = 6269^2 + 3619^2 .

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, 32897 + ... + 34452.

Almost surely, 2^52397522 is an apocalyptic number.

52397522 is a deficient number, since it is larger than the sum of its proper divisors (26401978).

52397522 is a wasteful number, since it uses less digits than its factorization.

52397522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67740.

The product of its digits is 37800, while the sum is 35.

The square root of 52397522 is about 7238.6132649838. The cubic root of 52397522 is about 374.1998274410.

The spelling of 52397522 in words is "fifty-two million, three hundred ninety-seven thousand, five hundred twenty-two".