56173343 has 2 divisors, whose sum is σ = 56173344. Its totient is φ = 56173342.

The previous prime is 56173339. The next prime is 56173349. The reversal of 56173343 is 34337165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56173343 - 2² = 56173339 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56173349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28086671 + 28086672.

It is an arithmetic number, because the mean of its divisors is an integer number (28086672).

Almost surely, 2^56173343 is an apocalyptic number.

56173343 is a deficient number, since it is larger than the sum of its proper divisors (1).

56173343 is an equidigital number, since it uses as much as digits as its factorization.

56173343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 56173343 is about 7494.8877910213. The cubic root of 56173343 is about 382.9805837903.

The spelling of 56173343 in words is "fifty-six million, one hundred seventy-three thousand, three hundred forty-three".