56445185453 has 2 divisors, whose sum is σ = 56445185454. Its totient is φ = 56445185452.

The previous prime is 56445185441. The next prime is 56445185509. The reversal of 56445185453 is 35458154465.

56445185453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34958902729 + 21486282724 = 186973^2 + 146582^2 .

It is a cyclic number.

It is not a de Polignac number, because 56445185453 - 2¹⁶ = 56445119917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56445185413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28222592726 + 28222592727.

It is an arithmetic number, because the mean of its divisors is an integer number (28222592727).

Almost surely, 2^56445185453 is an apocalyptic number.

It is an amenable number.

56445185453 is a deficient number, since it is larger than the sum of its proper divisors (1).

56445185453 is an equidigital number, since it uses as much as digits as its factorization.

56445185453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760000, while the sum is 50.

The spelling of 56445185453 in words is "fifty-six billion, four hundred forty-five million, one hundred eighty-five thousand, four hundred fifty-three".