52115652761 has 8 divisors (see below), whose sum is σ = 55256574024. Its totient is φ = 48983097600.

The previous prime is 52115652703. The next prime is 52115652793. The reversal of 52115652761 is 16725651125.

It can be written as a sum of positive squares in 4 ways, for example, as 35950056025 + 16165596736 = 189605^2 + 127144^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52115652761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52115652961) 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, 2078690 + ... + 2103611.

It is an arithmetic number, because the mean of its divisors is an integer number (6907071753).

Almost surely, 2^52115652761 is an apocalyptic number.

It is an amenable number.

52115652761 is a deficient number, since it is larger than the sum of its proper divisors (3140921263).

52115652761 is a wasteful number, since it uses less digits than its factorization.

52115652761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183051.

The product of its digits is 126000, while the sum is 41.

The spelling of 52115652761 in words is "fifty-two billion, one hundred fifteen million, six hundred fifty-two thousand, seven hundred sixty-one".