56043173 has 2 divisors, whose sum is σ = 56043174. Its totient is φ = 56043172.

The previous prime is 56043161. The next prime is 56043181. The reversal of 56043173 is 37134065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 15108769 = 6398^2 + 3887^2 .

It is a cyclic number.

It is not a de Polignac number, because 56043173 - 2¹² = 56039077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56043193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28021586 + 28021587.

It is an arithmetic number, because the mean of its divisors is an integer number (28021587).

Almost surely, 2^56043173 is an apocalyptic number.

It is an amenable number.

56043173 is a deficient number, since it is larger than the sum of its proper divisors (1).

56043173 is an equidigital number, since it uses as much as digits as its factorization.

56043173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 56043173 is about 7486.1988351900. The cubic root of 56043173 is about 382.6845291303.

The spelling of 56043173 in words is "fifty-six million, forty-three thousand, one hundred seventy-three".