56736187 has 2 divisors, whose sum is σ = 56736188. Its totient is φ = 56736186.

The previous prime is 56736181. The next prime is 56736217. The reversal of 56736187 is 78163765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56736187 - 2³ = 56736179 is a prime.

It is not a weakly prime, because it can be changed into another prime (56736181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28368093 + 28368094.

It is an arithmetic number, because the mean of its divisors is an integer number (28368094).

Almost surely, 2^56736187 is an apocalyptic number.

56736187 is a deficient number, since it is larger than the sum of its proper divisors (1).

56736187 is an equidigital number, since it uses as much as digits as its factorization.

56736187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 56736187 is about 7532.3427298550. The cubic root of 56736187 is about 384.2554610718.

The spelling of 56736187 in words is "fifty-six million, seven hundred thirty-six thousand, one hundred eighty-seven".