56917986050156 has 384 divisors, whose sum is σ = 134399865600000. Its totient is φ = 20850039705600.

The previous prime is 56917986050119. The next prime is 56917986050227. The reversal of 56917986050156 is 65105068971965.

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 127 ways as a sum of consecutive naturals, for example, 23317485896 + ... + 23317488336.

It is an arithmetic number, because the mean of its divisors is an integer number (349999650000).

Almost surely, 2^{56917986050156} 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 56917986050156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67199932800000).

56917986050156 is an abundant number, since it is smaller than the sum of its proper divisors (77481879549844).

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

56917986050156 is a wasteful number, since it uses less digits than its factorization.

56917986050156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078 (or 3062 counting only the distinct ones).

The product of its (nonzero) digits is 122472000, while the sum is 68.

The spelling of 56917986050156 in words is "fifty-six trillion, nine hundred seventeen billion, nine hundred eighty-six million, fifty thousand, one hundred fifty-six".