52257594 has 16 divisors (see below), whose sum is σ = 108119520. Its totient is φ = 16818480.

The previous prime is 52257593. The next prime is 52257617. The reversal of 52257594 is 49575225.

It is a super-2 number, since 2×52257594² = 5461712261337672, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52257593) 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, 149992 + ... + 150339.

It is an arithmetic number, because the mean of its divisors is an integer number (6757470).

Almost surely, 2^52257594 is an apocalyptic number.

52257594 is an abundant number, since it is smaller than the sum of its proper divisors (55861926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52257594 is a wasteful number, since it uses less digits than its factorization.

52257594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300365.

The product of its digits is 126000, while the sum is 39.

The square root of 52257594 is about 7228.9414162794. The cubic root of 52257594 is about 373.8664292769.

The spelling of 52257594 in words is "fifty-two million, two hundred fifty-seven thousand, five hundred ninety-four".