53479816140 has 48 divisors (see below), whose sum is σ = 150640180992. Its totient is φ = 14175884736.

The previous prime is 53479816123. The next prime is 53479816151. The reversal of 53479816140 is 4161897435.

It is a self number, because there is not a number n which added to its sum of digits gives 53479816140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658634 + ... + 2678673.

It is an arithmetic number, because the mean of its divisors is an integer number (3138337104).

Almost surely, 2^53479816140 is an apocalyptic number.

It is an amenable number.

53479816140 is an abundant number, since it is smaller than the sum of its proper divisors (97160364852).

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

53479816140 is a wasteful number, since it uses less digits than its factorization.

53479816140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337486 (or 5337484 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 53479816140 in words is "fifty-three billion, four hundred seventy-nine million, eight hundred sixteen thousand, one hundred forty".