52058637981 has 16 divisors (see below), whose sum is σ = 88141609600. Its totient is φ = 29747793024.

The previous prime is 52058637949. The next prime is 52058638001. The reversal of 52058637981 is 18973685025.

52058637981 is a `hidden beast` number, since 5 + 20 + 586 + 37 + 9 + 8 + 1 = 666.

It is not a de Polignac number, because 52058637981 - 2⁵ = 52058637949 is a prime.

It is a super-2 number, since 2×52058637981² (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 (52058637901) 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, 137721076 + ... + 137721453.

It is an arithmetic number, because the mean of its divisors is an integer number (5508850600).

Almost surely, 2^52058637981 is an apocalyptic number.

It is an amenable number.

52058637981 is a deficient number, since it is larger than the sum of its proper divisors (36082971619).

52058637981 is a wasteful number, since it uses less digits than its factorization.

52058637981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275442545 (or 275442539 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 52058637981 in words is "fifty-two billion, fifty-eight million, six hundred thirty-seven thousand, nine hundred eighty-one".