56441638725 has 48 divisors (see below), whose sum is σ = 94356472704. Its totient is φ = 29767680000.

The previous prime is 56441638723. The next prime is 56441638733. The reversal of 56441638725 is 52783614465.

It is not a de Polignac number, because 56441638725 - 2¹ = 56441638723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56441638723) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5873925 + ... + 5883525.

It is an arithmetic number, because the mean of its divisors is an integer number (1965759848).

Almost surely, 2^56441638725 is an apocalyptic number.

It is an amenable number.

56441638725 is a deficient number, since it is larger than the sum of its proper divisors (37914833979).

56441638725 is a wasteful number, since it uses less digits than its factorization.

56441638725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478 (or 10473 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 56441638725 in words is "fifty-six billion, four hundred forty-one million, six hundred thirty-eight thousand, seven hundred twenty-five".