52660474256 has 80 divisors (see below), whose sum is σ = 116060904960. Its totient is φ = 22973690880.

The previous prime is 52660474219. The next prime is 52660474261. The reversal of 52660474256 is 65247406625.

It is a self number, because there is not a number n which added to its sum of digits gives 52660474256.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182300 + ... + 372228.

It is an arithmetic number, because the mean of its divisors is an integer number (1450761312).

Almost surely, 2^52660474256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52660474256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58030452480).

52660474256 is an abundant number, since it is smaller than the sum of its proper divisors (63400430704).

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

52660474256 is a wasteful number, since it uses less digits than its factorization.

52660474256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190024 (or 190018 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 52660474256 in words is "fifty-two billion, six hundred sixty million, four hundred seventy-four thousand, two hundred fifty-six".