52862910581 has 16 divisors (see below), whose sum is σ = 58479074304. Its totient is φ = 47468649024.

The previous prime is 52862910547. The next prime is 52862910587. The reversal of 52862910581 is 18501926825.

It is a cyclic number.

It is not a de Polignac number, because 52862910581 - 2⁶ = 52862910517 is a prime.

It is a super-2 number, since 2×52862910581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52862910587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4950410 + ... + 4961076.

It is an arithmetic number, because the mean of its divisors is an integer number (3654942144).

Almost surely, 2^52862910581 is an apocalyptic number.

It is an amenable number.

52862910581 is a deficient number, since it is larger than the sum of its proper divisors (5616163723).

52862910581 is a wasteful number, since it uses less digits than its factorization.

52862910581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020.

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 52862910581 in words is "fifty-two billion, eight hundred sixty-two million, nine hundred ten thousand, five hundred eighty-one".