53986517325 has 72 divisors (see below), whose sum is σ = 106674083880. Its totient is φ = 25929676800.

The previous prime is 53986517297. The next prime is 53986517339. The reversal of 53986517325 is 52371568935.

53986517325 is a `hidden beast` number, since 5 + 3 + 98 + 6 + 517 + 32 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 40225115844 + 13761401481 = 200562^2 + 117309^2 .

It is not a de Polignac number, because 53986517325 - 2¹⁸ = 53986255181 is a prime.

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 (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 105160 + ... + 345009.

Almost surely, 2^53986517325 is an apocalyptic number.

It is an amenable number.

53986517325 is a deficient number, since it is larger than the sum of its proper divisors (52687566555).

53986517325 is a wasteful number, since it uses less digits than its factorization.

53986517325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450239 (or 450231 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 53986517325 in words is "fifty-three billion, nine hundred eighty-six million, five hundred seventeen thousand, three hundred twenty-five".