56170473773 has 2 divisors, whose sum is σ = 56170473774. Its totient is φ = 56170473772.

The previous prime is 56170473731. The next prime is 56170473809. The reversal of 56170473773 is 37737407165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55167674884 + 1002798889 = 234878^2 + 31667^2 .

It is a cyclic number.

It is not a de Polignac number, because 56170473773 - 2³⁴ = 38990604589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56170473703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28085236886 + 28085236887.

It is an arithmetic number, because the mean of its divisors is an integer number (28085236887).

Almost surely, 2^56170473773 is an apocalyptic number.

It is an amenable number.

56170473773 is a deficient number, since it is larger than the sum of its proper divisors (1).

56170473773 is an equidigital number, since it uses as much as digits as its factorization.

56170473773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 56170473773 in words is "fifty-six billion, one hundred seventy million, four hundred seventy-three thousand, seven hundred seventy-three".