52243215256 has 16 divisors (see below), whose sum is σ = 98965886040. Its totient is φ = 25852312320.

The previous prime is 52243215251. The next prime is 52243215313. The reversal of 52243215256 is 65251234225.

It is a super-2 number, since 2×52243215256² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243215251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33661090 + ... + 33662641.

Almost surely, 2^52243215256 is an apocalyptic number.

It is an amenable number.

52243215256 is a deficient number, since it is larger than the sum of its proper divisors (46722670784).

52243215256 is a wasteful number, since it uses less digits than its factorization.

52243215256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67323834 (or 67323830 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 52243215256 in words is "fifty-two billion, two hundred forty-three million, two hundred fifteen thousand, two hundred fifty-six".