56725897247 has 16 divisors (see below), whose sum is σ = 57613443360. Its totient is φ = 55845504000.

The previous prime is 56725897231. The next prime is 56725897271. The reversal of 56725897247 is 74279852765.

It is a cyclic number.

It is not a de Polignac number, because 56725897247 - 2⁴ = 56725897231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56725897247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56725899247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20907563 + ... + 20910275.

It is an arithmetic number, because the mean of its divisors is an integer number (3600840210).

Almost surely, 2^56725897247 is an apocalyptic number.

56725897247 is a deficient number, since it is larger than the sum of its proper divisors (887546113).

56725897247 is a wasteful number, since it uses less digits than its factorization.

56725897247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

The product of its digits is 59270400, while the sum is 62.

The spelling of 56725897247 in words is "fifty-six billion, seven hundred twenty-five million, eight hundred ninety-seven thousand, two hundred forty-seven".