53813154816 has 132 divisors (see below), whose sum is σ = 161140036512. Its totient is φ = 17937635328.

The previous prime is 53813154799. The next prime is 53813154839. The reversal of 53813154816 is 61845131835.

53813154816 is a `hidden beast` number, since 5 + 38 + 131 + 5 + 481 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140701 + ... + 356963.

Almost surely, 2^53813154816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53813154816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80570018256).

53813154816 is an abundant number, since it is smaller than the sum of its proper divisors (107326881696).

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

53813154816 is an equidigital number, since it uses as much as digits as its factorization.

53813154816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216298 (or 216268 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 53813154816 in words is "fifty-three billion, eight hundred thirteen million, one hundred fifty-four thousand, eight hundred sixteen".