56713187 has 2 divisors, whose sum is σ = 56713188. Its totient is φ = 56713186.

The previous prime is 56713177. The next prime is 56713201. The reversal of 56713187 is 78131765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56713187 - 2⁴ = 56713171 is a prime.

It is equal to p_3378386 and since 56713187 and 3378386 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56713187.

It is not a weakly prime, because it can be changed into another prime (56713117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356593 + 28356594.

It is an arithmetic number, because the mean of its divisors is an integer number (28356594).

Almost surely, 2^56713187 is an apocalyptic number.

56713187 is a deficient number, since it is larger than the sum of its proper divisors (1).

56713187 is an equidigital number, since it uses as much as digits as its factorization.

56713187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 56713187 is about 7530.8158256593. The cubic root of 56713187 is about 384.2035302519.

The spelling of 56713187 in words is "fifty-six million, seven hundred thirteen thousand, one hundred eighty-seven".