52258820 has 24 divisors (see below), whose sum is σ = 110151384. Its totient is φ = 20825856.

The previous prime is 52258819. The next prime is 52258823. The reversal of 52258820 is 2885225.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3034564 + 49224256 = 1742^2 + 7016^2 .

It is not an unprimeable number, because it can be changed into a prime (52258823) 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, 824 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (4589641).

Almost surely, 2^52258820 is an apocalyptic number.

It is an amenable number.

52258820 is an abundant number, since it is smaller than the sum of its proper divisors (57892564).

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

52258820 is a wasteful number, since it uses less digits than its factorization.

52258820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719 (or 9717 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 52258820 is about 7229.0262138133. The cubic root of 52258820 is about 373.8693529774.

The spelling of 52258820 in words is "fifty-two million, two hundred fifty-eight thousand, eight hundred twenty".