52540223556 has 48 divisors (see below), whose sum is σ = 129418248960. Its totient is φ = 16543810080.

The previous prime is 52540223543. The next prime is 52540223573. The reversal of 52540223556 is 65532204525.

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, 252930 + ... + 411161.

It is an arithmetic number, because the mean of its divisors is an integer number (2696213520).

Almost surely, 2^52540223556 is an apocalyptic number.

It is an amenable number.

52540223556 is an abundant number, since it is smaller than the sum of its proper divisors (76878025404).

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

52540223556 is a wasteful number, since it uses less digits than its factorization.

52540223556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664464 (or 664462 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 52540223556 in words is "fifty-two billion, five hundred forty million, two hundred twenty-three thousand, five hundred fifty-six".