56173299 has 16 divisors (see below), whose sum is σ = 92182272. Its totient is φ = 29629728.

The previous prime is 56173297. The next prime is 56173301. The reversal of 56173299 is 99237165.

It is an interprime number because it is at equal distance from previous prime (56173297) and next prime (56173301).

It is not a de Polignac number, because 56173299 - 2¹ = 56173297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56173299.

It is not an unprimeable number, because it can be changed into a prime (56173297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102609 + ... + 103154.

It is an arithmetic number, because the mean of its divisors is an integer number (5761392).

Almost surely, 2^56173299 is an apocalyptic number.

56173299 is a deficient number, since it is larger than the sum of its proper divisors (36008973).

56173299 is a wasteful number, since it uses less digits than its factorization.

56173299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205786.

The product of its digits is 102060, while the sum is 42.

The square root of 56173299 is about 7494.8848556866. The cubic root of 56173299 is about 382.9804837954.

The spelling of 56173299 in words is "fifty-six million, one hundred seventy-three thousand, two hundred ninety-nine".