52287137504256 has 264 divisors, whose sum is σ = 145139864401920. Its totient is φ = 16733888962560.

The previous prime is 52287137504227. The next prime is 52287137504269. The reversal of 52287137504256 is 65240573178225.

It is a super-2 number, since 2×52287137504256² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52287137504196 and 52287137504205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374858655 + ... + 374998113.

Almost surely, 2^{52287137504256} 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 52287137504256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72569932200960).

52287137504256 is an abundant number, since it is smaller than the sum of its proper divisors (92852726897664).

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

52287137504256 is a wasteful number, since it uses less digits than its factorization.

52287137504256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139671 (or 139622 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 52287137504256 in words is "fifty-two trillion, two hundred eighty-seven billion, one hundred thirty-seven million, five hundred four thousand, two hundred fifty-six".