50856187 has 2 divisors, whose sum is σ = 50856188. Its totient is φ = 50856186.

The previous prime is 50856119. The next prime is 50856191. The reversal of 50856187 is 78165805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50856187 - 2¹⁵ = 50823419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50850187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25428093 + 25428094.

It is an arithmetic number, because the mean of its divisors is an integer number (25428094).

Almost surely, 2^50856187 is an apocalyptic number.

50856187 is a deficient number, since it is larger than the sum of its proper divisors (1).

50856187 is an equidigital number, since it uses as much as digits as its factorization.

50856187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 50856187 is about 7131.3523962850. The cubic root of 50856187 is about 370.4940733358.

The spelling of 50856187 in words is "fifty million, eight hundred fifty-six thousand, one hundred eighty-seven".