56178373 has 2 divisors, whose sum is σ = 56178374. Its totient is φ = 56178372.

The previous prime is 56178359. The next prime is 56178389. The reversal of 56178373 is 37387165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 1077444 = 7423^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 56178373 - 2⁵ = 56178341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56172373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28089186 + 28089187.

It is an arithmetic number, because the mean of its divisors is an integer number (28089187).

Almost surely, 2^56178373 is an apocalyptic number.

It is an amenable number.

56178373 is a deficient number, since it is larger than the sum of its proper divisors (1).

56178373 is an equidigital number, since it uses as much as digits as its factorization.

56178373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 56178373 is about 7495.2233455715. The cubic root of 56178373 is about 382.9920146858.

The spelling of 56178373 in words is "fifty-six million, one hundred seventy-eight thousand, three hundred seventy-three".