53086697657 has 48 divisors (see below), whose sum is σ = 67302119808. Its totient is φ = 41589757440.

The previous prime is 53086697603. The next prime is 53086697669. The reversal of 53086697657 is 75679668035.

It is not a de Polignac number, because 53086697657 - 2⁸ = 53086697401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53086697657.

It is not an unprimeable number, because it can be changed into a prime (53086697687) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3955883 + ... + 3969279.

It is an arithmetic number, because the mean of its divisors is an integer number (1402127496).

Almost surely, 2^53086697657 is an apocalyptic number.

It is an amenable number.

53086697657 is a deficient number, since it is larger than the sum of its proper divisors (14215422151).

53086697657 is a wasteful number, since it uses less digits than its factorization.

53086697657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566 (or 13559 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 53086697657 in words is "fifty-three billion, eighty-six million, six hundred ninety-seven thousand, six hundred fifty-seven".