56204173 has 4 divisors (see below), whose sum is σ = 56221308. Its totient is φ = 56187040.

The previous prime is 56204149. The next prime is 56204179. The reversal of 56204173 is 37140265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 5822569 = 7098^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 56204173 - 2²⁵ = 22649741 is a prime.

It is a super-2 number, since 2×56204173² = 6317818125227858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56204179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (14055327).

Almost surely, 2^56204173 is an apocalyptic number.

It is an amenable number.

56204173 is a deficient number, since it is larger than the sum of its proper divisors (17135).

56204173 is a wasteful number, since it uses less digits than its factorization.

56204173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17134.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56204173 is about 7496.9442441571. The cubic root of 56204173 is about 383.0506355938.

The spelling of 56204173 in words is "fifty-six million, two hundred four thousand, one hundred seventy-three".