56517072060 has 96 divisors (see below), whose sum is σ = 167049711360. Its totient is φ = 14237448192.

The previous prime is 56517071987. The next prime is 56517072097. The reversal of 56517072060 is 6027071565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332199 + ... + 472641.

It is an arithmetic number, because the mean of its divisors is an integer number (1740101160).

Almost surely, 2^56517072060 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 56517072060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83524855680).

56517072060 is an abundant number, since it is smaller than the sum of its proper divisors (110532639300).

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

56517072060 is a wasteful number, since it uses less digits than its factorization.

56517072060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140827 (or 140825 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 56517072060 in words is "fifty-six billion, five hundred seventeen million, seventy-two thousand, sixty".