53713577736 has 640 divisors, whose sum is σ = 194250470400. Its totient is φ = 13655900160.

The previous prime is 53713577719. The next prime is 53713577789. The reversal of 53713577736 is 63777531735.

It is a happy number.

53713577736 is a `hidden beast` number, since 5 + 37 + 1 + 3 + 577 + 7 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 209002120 + ... + 209002376.

It is an arithmetic number, because the mean of its divisors is an integer number (303516360).

Almost surely, 2^53713577736 is an apocalyptic number.

53713577736 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 53713577736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97125235200).

53713577736 is an abundant number, since it is smaller than the sum of its proper divisors (140536892664).

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

53713577736 is a wasteful number, since it uses less digits than its factorization.

53713577736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 313 counting only the distinct ones).

The product of its digits is 9724050, while the sum is 54.

The spelling of 53713577736 in words is "fifty-three billion, seven hundred thirteen million, five hundred seventy-seven thousand, seven hundred thirty-six".