52247052761 has 8 divisors (see below), whose sum is σ = 54084921480. Its totient is φ = 50411600512.

The previous prime is 52247052751. The next prime is 52247052773. The reversal of 52247052761 is 16725074225.

It can be written as a sum of positive squares in 4 ways, for example, as 16078240000 + 36168812761 = 126800^2 + 190181^2 .

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 52247052761 - 2³⁴ = 35067183577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52247052751) 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, 560060 + ... + 646653.

It is an arithmetic number, because the mean of its divisors is an integer number (6760615185).

Almost surely, 2^52247052761 is an apocalyptic number.

It is an amenable number.

52247052761 is a deficient number, since it is larger than the sum of its proper divisors (1837868719).

52247052761 is a wasteful number, since it uses less digits than its factorization.

52247052761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208235.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 52247052761 in words is "fifty-two billion, two hundred forty-seven million, fifty-two thousand, seven hundred sixty-one".