56013912845 has 16 divisors (see below), whose sum is σ = 76515449472. Its totient is φ = 38966199360.

The previous prime is 56013912841. The next prime is 56013912847. The reversal of 56013912845 is 54821931065.

It is a happy number.

It is not a de Polignac number, because 56013912845 - 2² = 56013912841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56013912796 and 56013912805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56013912841) 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 15 ways as a sum of consecutive naturals, for example, 22138622 + ... + 22141151.

It is an arithmetic number, because the mean of its divisors is an integer number (4782215592).

Almost surely, 2^56013912845 is an apocalyptic number.

56013912845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56013912845 is a deficient number, since it is larger than the sum of its proper divisors (20501536627).

56013912845 is a wasteful number, since it uses less digits than its factorization.

56013912845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44279812.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 56013912845 in words is "fifty-six billion, thirteen million, nine hundred twelve thousand, eight hundred forty-five".