52116802656 has 48 divisors (see below), whose sum is σ = 137220003648. Its totient is φ = 17319772800.

The previous prime is 52116802637. The next prime is 52116802667. The reversal of 52116802656 is 65620861125.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×52116802656² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788290 + ... + 851841.

It is an arithmetic number, because the mean of its divisors is an integer number (2858750076).

Almost surely, 2^52116802656 is an apocalyptic number.

It is an amenable number.

52116802656 is an abundant number, since it is smaller than the sum of its proper divisors (85103200992).

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

52116802656 is a wasteful number, since it uses less digits than its factorization.

52116802656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640475 (or 1640467 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 52116802656 in words is "fifty-two billion, one hundred sixteen million, eight hundred two thousand, six hundred fifty-six".