53891803680 has 1152 divisors, whose sum is σ = 221969341440. Its totient is φ = 10799308800.

The previous prime is 53891803673. The next prime is 53891803703. The reversal of 53891803680 is 8630819835.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1253297739 + ... + 1253297781.

It is an arithmetic number, because the mean of its divisors is an integer number (192681720).

Almost surely, 2^53891803680 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 53891803680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110984670720).

53891803680 is an abundant number, since it is smaller than the sum of its proper divisors (168077537760).

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

53891803680 is a wasteful number, since it uses less digits than its factorization.

53891803680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 53891803680 in words is "fifty-three billion, eight hundred ninety-one million, eight hundred three thousand, six hundred eighty".