52258940 has 12 divisors (see below), whose sum is σ = 109743816. Its totient is φ = 20903568.

The previous prime is 52258939. The next prime is 52258951. The reversal of 52258940 is 4985225.

It is a happy number.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 52258940.

It is a congruent number.

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, 1306454 + ... + 1306493.

It is an arithmetic number, because the mean of its divisors is an integer number (9145318).

Almost surely, 2^52258940 is an apocalyptic number.

It is an amenable number.

52258940 is an abundant number, since it is smaller than the sum of its proper divisors (57484876).

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

52258940 is a wasteful number, since it uses less digits than its factorization.

52258940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612956 (or 2612954 counting only the distinct ones).

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

The square root of 52258940 is about 7229.0345136816. The cubic root of 52258940 is about 373.8696391447.

The spelling of 52258940 in words is "fifty-two million, two hundred fifty-eight thousand, nine hundred forty".