52051761725 has 18 divisors (see below), whose sum is σ = 67472482266. Its totient is φ = 39830903200.

The previous prime is 52051761703. The next prime is 52051761731. The reversal of 52051761725 is 52716715025.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 183521209 + 51868240516 = 13547^2 + 227746^2 .

It is not a de Polignac number, because 52051761725 - 2¹⁸ = 52051499581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1954706 + ... + 1981155.

It is an arithmetic number, because the mean of its divisors is an integer number (3748471237).

Almost surely, 2^52051761725 is an apocalyptic number.

It is an amenable number.

52051761725 is a deficient number, since it is larger than the sum of its proper divisors (15420720541).

52051761725 is a wasteful number, since it uses less digits than its factorization.

52051761725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935917 (or 3935889 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 52051761725 in words is "fifty-two billion, fifty-one million, seven hundred sixty-one thousand, seven hundred twenty-five".