52188347961 has 24 divisors (see below), whose sum is σ = 78875147520. Its totient is φ = 33188798016.

The previous prime is 52188347903. The next prime is 52188347993. The reversal of 52188347961 is 16974388125.

52188347961 is a `hidden beast` number, since 521 + 88 + 34 + 7 + 9 + 6 + 1 = 666.

It is not a de Polignac number, because 52188347961 - 2⁷ = 52188347833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52188347898 and 52188347907.

It is not an unprimeable number, because it can be changed into a prime (52188346961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267516 + ... + 419453.

It is an arithmetic number, because the mean of its divisors is an integer number (3286464480).

Almost surely, 2^52188347961 is an apocalyptic number.

It is an amenable number.

52188347961 is a deficient number, since it is larger than the sum of its proper divisors (26686799559).

52188347961 is a wasteful number, since it uses less digits than its factorization.

52188347961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687365 (or 687362 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 52188347961 in words is "fifty-two billion, one hundred eighty-eight million, three hundred forty-seven thousand, nine hundred sixty-one".