56701655572 has 12 divisors (see below), whose sum is σ = 99289579060. Its totient is φ = 28333204416.

The previous prime is 56701655519. The next prime is 56701655573. The reversal of 56701655572 is 27555610765.

56701655572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35946643216 + 20755012356 = 189596^2 + 144066^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56701655573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4398603 + ... + 4411474.

Almost surely, 2^56701655572 is an apocalyptic number.

It is an amenable number.

56701655572 is a deficient number, since it is larger than the sum of its proper divisors (42587923488).

56701655572 is a wasteful number, since it uses less digits than its factorization.

56701655572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811690 (or 8811688 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 56701655572 in words is "fifty-six billion, seven hundred one million, six hundred fifty-five thousand, five hundred seventy-two".