53256535885 has 32 divisors (see below), whose sum is σ = 77371234560. Its totient is φ = 34353994752.

The previous prime is 53256535873. The next prime is 53256535897. The reversal of 53256535885 is 58853565235.

It is an interprime number because it is at equal distance from previous prime (53256535873) and next prime (53256535897).

It is not a de Polignac number, because 53256535885 - 2¹⁵ = 53256503117 is a prime.

It is a super-2 number, since 2×53256535885² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275967 + ... + 1317043.

It is an arithmetic number, because the mean of its divisors is an integer number (2417851080).

Almost surely, 2^53256535885 is an apocalyptic number.

It is an amenable number.

53256535885 is a deficient number, since it is larger than the sum of its proper divisors (24114698675).

53256535885 is a wasteful number, since it uses less digits than its factorization.

53256535885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43285.

The product of its digits is 21600000, while the sum is 55.

The spelling of 53256535885 in words is "fifty-three billion, two hundred fifty-six million, five hundred thirty-five thousand, eight hundred eighty-five".