52540243356 has 24 divisors (see below), whose sum is σ = 122779387024. Its totient is φ = 17486916480.

The previous prime is 52540243351. The next prime is 52540243381. The reversal of 52540243356 is 65334204525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52540243351) 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, 3303985 + ... + 3319848.

Almost surely, 2^52540243356 is an apocalyptic number.

It is an amenable number.

52540243356 is an abundant number, since it is smaller than the sum of its proper divisors (70239143668).

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

52540243356 is a wasteful number, since it uses less digits than its factorization.

52540243356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624501 (or 6624499 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 52540243356 in words is "fifty-two billion, five hundred forty million, two hundred forty-three thousand, three hundred fifty-six".