52504489 has 2 divisors, whose sum is σ = 52504490. Its totient is φ = 52504488.

The previous prime is 52504481. The next prime is 52504511. The reversal of 52504489 is 98440525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 13816089 = 6220^2 + 3717^2 .

It is a cyclic number.

It is not a de Polignac number, because 52504489 - 2³ = 52504481 is a prime.

It is a super-2 number, since 2×52504489² = 5513442730302242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52504481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26252244 + 26252245.

It is an arithmetic number, because the mean of its divisors is an integer number (26252245).

Almost surely, 2^52504489 is an apocalyptic number.

It is an amenable number.

52504489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52504489 is an equidigital number, since it uses as much as digits as its factorization.

52504489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 52504489 is about 7245.9981369029. The cubic root of 52504489 is about 374.4542912943.

The spelling of 52504489 in words is "fifty-two million, five hundred four thousand, four hundred eighty-nine".