53811321600 has 108 divisors (see below), whose sum is σ = 177588635336. Its totient is φ = 14349680640.

The previous prime is 53811321589. The next prime is 53811321607. The reversal of 53811321600 is 612311835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53811321607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1382137 + ... + 1420536.

Almost surely, 2^53811321600 is an apocalyptic number.

53811321600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53811321600 is an abundant number, since it is smaller than the sum of its proper divisors (123777313736).

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

53811321600 is a wasteful number, since it uses less digits than its factorization.

53811321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802702 (or 2802683 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

It can be divided in two parts, 53811 and 321600, that added together give a triangular number (375411 = T₈₆₆).

The spelling of 53811321600 in words is "fifty-three billion, eight hundred eleven million, three hundred twenty-one thousand, six hundred".