56710361620 has 24 divisors (see below), whose sum is σ = 129918283488. Its totient is φ = 20621949600.

The previous prime is 56710361597. The next prime is 56710361621. The reversal of 56710361620 is 2616301765.

It is a self number, because there is not a number n which added to its sum of digits gives 56710361620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56710361621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128886966 + ... + 128887405.

It is an arithmetic number, because the mean of its divisors is an integer number (5413261812).

Almost surely, 2^56710361620 is an apocalyptic number.

It is an amenable number.

56710361620 is an abundant number, since it is smaller than the sum of its proper divisors (73207921868).

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

56710361620 is a wasteful number, since it uses less digits than its factorization.

56710361620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257774391 (or 257774389 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 56710361620 in words is "fifty-six billion, seven hundred ten million, three hundred sixty-one thousand, six hundred twenty".