53879309736 has 128 divisors (see below), whose sum is σ = 162168652800. Its totient is φ = 14572569600.

The previous prime is 53879309723. The next prime is 53879309773. The reversal of 53879309736 is 63790397835.

It is a self number, because there is not a number n which added to its sum of digits gives 53879309736.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4625776 + ... + 4637408.

It is an arithmetic number, because the mean of its divisors is an integer number (1266942600).

Almost surely, 2^53879309736 is an apocalyptic number.

53879309736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53879309736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81084326400).

53879309736 is an abundant number, since it is smaller than the sum of its proper divisors (108289343064).

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

53879309736 is a wasteful number, since it uses less digits than its factorization.

53879309736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119 (or 13115 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 60.

The spelling of 53879309736 in words is "fifty-three billion, eight hundred seventy-nine million, three hundred nine thousand, seven hundred thirty-six".