56747547501173 has 2 divisors, whose sum is σ = 56747547501174. Its totient is φ = 56747547501172.

The previous prime is 56747547501157. The next prime is 56747547501191. The reversal of 56747547501173 is 37110574574765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53124608327569 + 3622939173604 = 7288663^2 + 1903402^2 .

It is a cyclic number.

It is not a de Polignac number, because 56747547501173 - 2⁴ = 56747547501157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56747547501193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28373773750586 + 28373773750587.

It is an arithmetic number, because the mean of its divisors is an integer number (28373773750587).

Almost surely, 2^{56747547501173} is an apocalyptic number.

It is an amenable number.

56747547501173 is a deficient number, since it is larger than the sum of its proper divisors (1).

56747547501173 is an equidigital number, since it uses as much as digits as its factorization.

56747547501173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86436000, while the sum is 62.

The spelling of 56747547501173 in words is "fifty-six trillion, seven hundred forty-seven billion, five hundred forty-seven million, five hundred one thousand, one hundred seventy-three".