52061811256 has 96 divisors (see below), whose sum is σ = 122417190000. Its totient is φ = 20574134784.

The previous prime is 52061811203. The next prime is 52061811301. The reversal of 52061811256 is 65211816025.

It is a super-3 number, since 3×52061811256³ (a number of 33 digits) contains 333 as substring.

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, 5340835 + ... + 5350573.

Almost surely, 2^52061811256 is an apocalyptic number.

52061811256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52061811256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61208595000).

52061811256 is an abundant number, since it is smaller than the sum of its proper divisors (70355378744).

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

52061811256 is a wasteful number, since it uses less digits than its factorization.

52061811256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10821 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 52061811256 in words is "fifty-two billion, sixty-one million, eight hundred eleven thousand, two hundred fifty-six".