53013706816 has 56 divisors (see below), whose sum is σ = 122681187200. Its totient is φ = 22720150656.

The previous prime is 53013706789. The next prime is 53013706859. The reversal of 53013706816 is 61860731035.

It is a happy number.

53013706816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×53013706816² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185540 + ... + 1229443.

Almost surely, 2^53013706816 is an apocalyptic number.

53013706816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53013706816 is an abundant number, since it is smaller than the sum of its proper divisors (69667480384).

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

53013706816 is an equidigital number, since it uses as much as digits as its factorization.

53013706816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415016 (or 2414992 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 53013706816 in words is "fifty-three billion, thirteen million, seven hundred six thousand, eight hundred sixteen".