52490258 has 18 divisors (see below), whose sum is σ = 81191061. Its totient is φ = 25451064.

The previous prime is 52490233. The next prime is 52490323. The reversal of 52490258 is 85209425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50367409 + 2122849 = 7097^2 + 1457^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5123.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 481508 + ... + 481616.

Almost surely, 2^52490258 is an apocalyptic number.

52490258 is a deficient number, since it is larger than the sum of its proper divisors (28700803).

52490258 is an equidigital number, since it uses as much as digits as its factorization.

52490258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52490258 is about 7245.0160800374. The cubic root of 52490258 is about 374.4204571044.

Multiplying 52490258 by its product of nonzero digits (28800), we get a square (1511719430400 = 1229520²).

The spelling of 52490258 in words is "fifty-two million, four hundred ninety thousand, two hundred fifty-eight".