52682311681 has 8 divisors (see below), whose sum is σ = 53091998784. Its totient is φ = 52272738960.

The previous prime is 52682311651. The next prime is 52682311757. The reversal of 52682311681 is 18611328625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52682311681 - 2¹³ = 52682303489 is a prime.

It is a super-2 number, since 2×52682311681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52682311621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054636 + ... + 1103458.

It is an arithmetic number, because the mean of its divisors is an integer number (6636499848).

Almost surely, 2^52682311681 is an apocalyptic number.

It is an amenable number.

52682311681 is a deficient number, since it is larger than the sum of its proper divisors (409687103).

52682311681 is a wasteful number, since it uses less digits than its factorization.

52682311681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57191.

The product of its digits is 138240, while the sum is 43.

The spelling of 52682311681 in words is "fifty-two billion, six hundred eighty-two million, three hundred eleven thousand, six hundred eighty-one".