52540214525 has 6 divisors (see below), whose sum is σ = 65149866042. Its totient is φ = 42032171600.

The previous prime is 52540214509. The next prime is 52540214567. The reversal of 52540214525 is 52541204525.

It can be written as a sum of positive squares in 3 ways, for example, as 320195236 + 52220019289 = 17894^2 + 228517^2 .

It is not a de Polignac number, because 52540214525 - 2⁴ = 52540214509 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 1050804266 + ... + 1050804315.

It is an arithmetic number, because the mean of its divisors is an integer number (10858311007).

Almost surely, 2^52540214525 is an apocalyptic number.

It is an amenable number.

52540214525 is a deficient number, since it is larger than the sum of its proper divisors (12609651517).

52540214525 is a wasteful number, since it uses less digits than its factorization.

52540214525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101608591 (or 2101608586 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 52540214525 in words is "fifty-two billion, five hundred forty million, two hundred fourteen thousand, five hundred twenty-five".