56440001112637 has 2 divisors, whose sum is σ = 56440001112638. Its totient is φ = 56440001112636.

The previous prime is 56440001112559. The next prime is 56440001112643. The reversal of 56440001112637 is 73621110004465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43233965164516 + 13206035948121 = 6575254^2 + 3634011^2 .

It is a cyclic number.

It is not a de Polignac number, because 56440001112637 - 2¹¹ = 56440001110589 is a prime.

It is a super-2 number, since 2×56440001112637² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56440001112637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56440001412637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220000556318 + 28220000556319.

It is an arithmetic number, because the mean of its divisors is an integer number (28220000556319).

Almost surely, 2^{56440001112637} is an apocalyptic number.

It is an amenable number.

56440001112637 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440001112637 is an equidigital number, since it uses as much as digits as its factorization.

56440001112637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 56440001112637 in words is "fifty-six trillion, four hundred forty billion, one million, one hundred twelve thousand, six hundred thirty-seven".