53285561896 has 32 divisors (see below), whose sum is σ = 114191974080. Its totient is φ = 22834944000.

The previous prime is 53285561887. The next prime is 53285561899. The reversal of 53285561896 is 69816558235.

It is a super-2 number, since 2×53285561896² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53285561896.

It is not an unprimeable number, because it can be changed into a prime (53285561899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952296 + ... + 1006696.

It is an arithmetic number, because the mean of its divisors is an integer number (3568499190).

Almost surely, 2^53285561896 is an apocalyptic number.

53285561896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53285561896 is an abundant number, since it is smaller than the sum of its proper divisors (60906412184).

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

53285561896 is a wasteful number, since it uses less digits than its factorization.

53285561896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71905 (or 71901 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 58.

The spelling of 53285561896 in words is "fifty-three billion, two hundred eighty-five million, five hundred sixty-one thousand, eight hundred ninety-six".