53722695312 has 400 divisors, whose sum is σ = 183620872512. Its totient is φ = 14949411840.

The previous prime is 53722695253. The next prime is 53722695331. The reversal of 53722695312 is 21359622735.

53722695312 is a `hidden beast` number, since 5 + 3 + 72 + 269 + 5 + 312 = 666.

It is a super-2 number, since 2×53722695312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 42068818 + ... + 42070094.

Almost surely, 2^53722695312 is an apocalyptic number.

53722695312 is a gapful number since it is divisible by the number (52) 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 53722695312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91810436256).

53722695312 is an abundant number, since it is smaller than the sum of its proper divisors (129898177200).

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

53722695312 is a wasteful number, since it uses less digits than its factorization.

53722695312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1533 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 53722695312 in words is "fifty-three billion, seven hundred twenty-two million, six hundred ninety-five thousand, three hundred twelve".