50864587 has 2 divisors, whose sum is σ = 50864588. Its totient is φ = 50864586.

The previous prime is 50864581. The next prime is 50864609. The reversal of 50864587 is 78546805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50864587 - 2¹⁹ = 50340299 is a prime.

It is a super-3 number, since 3×50864587³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (50864581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25432293 + 25432294.

It is an arithmetic number, because the mean of its divisors is an integer number (25432294).

Almost surely, 2^50864587 is an apocalyptic number.

50864587 is a deficient number, since it is larger than the sum of its proper divisors (1).

50864587 is an equidigital number, since it uses as much as digits as its factorization.

50864587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 50864587 is about 7131.9413205662. The cubic root of 50864587 is about 370.5144705845.

The spelling of 50864587 in words is "fifty million, eight hundred sixty-four thousand, five hundred eighty-seven".