52291292681 has 12 divisors (see below), whose sum is σ = 58471784880. Its totient is φ = 46625048640.

The previous prime is 52291292657. The next prime is 52291292687. The reversal of 52291292681 is 18629219225.

It is not a de Polignac number, because 52291292681 - 2⁶ = 52291292617 is a prime.

It is a super-2 number, since 2×52291292681² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52291292687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756055 + ... + 4767036.

It is an arithmetic number, because the mean of its divisors is an integer number (4872648740).

Almost surely, 2^52291292681 is an apocalyptic number.

It is an amenable number.

52291292681 is a deficient number, since it is larger than the sum of its proper divisors (6180492199).

52291292681 is a wasteful number, since it uses less digits than its factorization.

52291292681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523144 (or 9523127 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The spelling of 52291292681 in words is "fifty-two billion, two hundred ninety-one million, two hundred ninety-two thousand, six hundred eighty-one".