56224860997 has 2 divisors, whose sum is σ = 56224860998. Its totient is φ = 56224860996.

The previous prime is 56224860977. The next prime is 56224861061. The reversal of 56224860997 is 79906842265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36006580516 + 20218280481 = 189754^2 + 142191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56224860997 is a prime.

It is a super-2 number, since 2×56224860997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56224860907) 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 as a sum of consecutive naturals, namely, 28112430498 + 28112430499.

It is an arithmetic number, because the mean of its divisors is an integer number (28112430499).

Almost surely, 2^56224860997 is an apocalyptic number.

It is an amenable number.

56224860997 is a deficient number, since it is larger than the sum of its proper divisors (1).

56224860997 is an equidigital number, since it uses as much as digits as its factorization.

56224860997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 56224860997 in words is "fifty-six billion, two hundred twenty-four million, eight hundred sixty thousand, nine hundred ninety-seven".