56331173 has 2 divisors, whose sum is σ = 56331174. Its totient is φ = 56331172.

The previous prime is 56331169. The next prime is 56331193. The reversal of 56331173 is 37113365.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31550689 + 24780484 = 5617^2 + 4978^2 .

It is a cyclic number.

It is not a de Polignac number, because 56331173 - 2² = 56331169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56331133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28165586 + 28165587.

It is an arithmetic number, because the mean of its divisors is an integer number (28165587).

Almost surely, 2^56331173 is an apocalyptic number.

It is an amenable number.

56331173 is a deficient number, since it is larger than the sum of its proper divisors (1).

56331173 is an equidigital number, since it uses as much as digits as its factorization.

56331173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 29.

The square root of 56331173 is about 7505.4095824279. The cubic root of 56331173 is about 383.3389346798.

The spelling of 56331173 in words is "fifty-six million, three hundred thirty-one thousand, one hundred seventy-three".