56351435473 has 2 divisors, whose sum is σ = 56351435474. Its totient is φ = 56351435472.

The previous prime is 56351435449. The next prime is 56351435477. The reversal of 56351435473 is 37453415365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31416499009 + 24934936464 = 177247^2 + 157908^2 .

It is a cyclic number.

It is not a de Polignac number, because 56351435473 - 2³³ = 47761500881 is a prime.

It is not a weakly prime, because it can be changed into another prime (56351435477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28175717736 + 28175717737.

It is an arithmetic number, because the mean of its divisors is an integer number (28175717737).

Almost surely, 2^56351435473 is an apocalyptic number.

It is an amenable number.

56351435473 is a deficient number, since it is larger than the sum of its proper divisors (1).

56351435473 is an equidigital number, since it uses as much as digits as its factorization.

56351435473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 46.

The spelling of 56351435473 in words is "fifty-six billion, three hundred fifty-one million, four hundred thirty-five thousand, four hundred seventy-three".