53256712242 has 24 divisors (see below), whose sum is σ = 107878838256. Its totient is φ = 17527513224.

The previous prime is 53256712189. The next prime is 53256712253. The reversal of 53256712242 is 24221765235.

It is a self number, because there is not a number n which added to its sum of digits gives 53256712242.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673668 + ... + 748559.

It is an arithmetic number, because the mean of its divisors is an integer number (4494951594).

Almost surely, 2^53256712242 is an apocalyptic number.

53256712242 is an abundant number, since it is smaller than the sum of its proper divisors (54622126014).

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

53256712242 is a wasteful number, since it uses less digits than its factorization.

53256712242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422390 (or 1422311 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The spelling of 53256712242 in words is "fifty-three billion, two hundred fifty-six million, seven hundred twelve thousand, two hundred forty-two".