52091574861 has 8 divisors (see below), whose sum is σ = 69461362944. Its totient is φ = 34724751680.

The previous prime is 52091574833. The next prime is 52091574877. The reversal of 52091574861 is 16847519025.

It is a happy number.

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 52091574861 - 2²¹ = 52089477709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52091574861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52091574461) 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, 699900 + ... + 770741.

It is an arithmetic number, because the mean of its divisors is an integer number (8682670368).

Almost surely, 2^52091574861 is an apocalyptic number.

It is an amenable number.

52091574861 is a deficient number, since it is larger than the sum of its proper divisors (17369788083).

52091574861 is a wasteful number, since it uses less digits than its factorization.

52091574861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482451.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 52091574861 in words is "fifty-two billion, ninety-one million, five hundred seventy-four thousand, eight hundred sixty-one".