56158873 has 2 divisors, whose sum is σ = 56158874. Its totient is φ = 56158872.

The previous prime is 56158841. The next prime is 56158897. The reversal of 56158873 is 37885165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38291344 + 17867529 = 6188^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 56158873 - 2⁵ = 56158841 is a prime.

It is not a weakly prime, because it can be changed into another prime (56158073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28079436 + 28079437.

It is an arithmetic number, because the mean of its divisors is an integer number (28079437).

Almost surely, 2^56158873 is an apocalyptic number.

It is an amenable number.

56158873 is a deficient number, since it is larger than the sum of its proper divisors (1).

56158873 is an equidigital number, since it uses as much as digits as its factorization.

56158873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 56158873 is about 7493.9224041886. The cubic root of 56158873 is about 382.9476962754.

The spelling of 56158873 in words is "fifty-six million, one hundred fifty-eight thousand, eight hundred seventy-three".