56724521292 has 72 divisors (see below), whose sum is σ = 148965996816. Its totient is φ = 18874047168.

The previous prime is 56724521281. The next prime is 56724521297. The reversal of 56724521292 is 29212542765.

56724521292 is a `hidden beast` number, since 5 + 6 + 72 + 452 + 129 + 2 = 666.

It is a super-2 number, since 2×56724521292² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56724521297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489018 + ... + 593790.

It is an arithmetic number, because the mean of its divisors is an integer number (2068972178).

Almost surely, 2^56724521292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56724521292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74482998408).

56724521292 is an abundant number, since it is smaller than the sum of its proper divisors (92241475524).

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

56724521292 is a wasteful number, since it uses less digits than its factorization.

56724521292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105349 (or 105335 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 56724521292 in words is "fifty-six billion, seven hundred twenty-four million, five hundred twenty-one thousand, two hundred ninety-two".