53776395108 has 144 divisors (see below), whose sum is σ = 144872910000. Its totient is φ = 16787119104.

The previous prime is 53776395089. The next prime is 53776395133. The reversal of 53776395108 is 80159367735.

53776395108 is a `hidden beast` number, since 53 + 7 + 76 + 3 + 9 + 510 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 6227103744 + 47549291364 = 78912^2 + 218058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13479178 + ... + 13483166.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061875).

Almost surely, 2^53776395108 is an apocalyptic number.

53776395108 is a gapful number since it is divisible by the number (58) 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 53776395108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72436455000).

53776395108 is an abundant number, since it is smaller than the sum of its proper divisors (91096514892).

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

53776395108 is a wasteful number, since it uses less digits than its factorization.

53776395108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 53776395108 in words is "fifty-three billion, seven hundred seventy-six million, three hundred ninety-five thousand, one hundred eight".