53256535884 has 48 divisors (see below), whose sum is σ = 138726931840. Its totient is φ = 17668037520.

The previous prime is 53256535873. The next prime is 53256535897. The reversal of 53256535884 is 48853565235.

It is a happy number.

53256535884 is a `hidden beast` number, since 5 + 3 + 2 + 5 + 6 + 53 + 588 + 4 = 666.

It is a super-2 number, since 2×53256535884² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 53256535884.

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 15 ways as a sum of consecutive naturals, for example, 1145734 + ... + 1191309.

Almost surely, 2^53256535884 is an apocalyptic number.

53256535884 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53256535884 is an abundant number, since it is smaller than the sum of its proper divisors (85470395956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53256535884 is a wasteful number, since it uses less digits than its factorization.

53256535884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337267 (or 2337259 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 53256535884 in words is "fifty-three billion, two hundred fifty-six million, five hundred thirty-five thousand, eight hundred eighty-four".