50864986 has 16 divisors (see below), whose sum is σ = 83393280. Its totient is φ = 23163840.

The previous prime is 50864977. The next prime is 50864987. The reversal of 50864986 is 68946805.

50864986 = T₁₇₉₆ + T₁₇₉₇ + ... + T₁₈₂₆.

It is not an unprimeable number, because it can be changed into a prime (50864987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23076 + ... + 25183.

It is an arithmetic number, because the mean of its divisors is an integer number (5212080).

Almost surely, 2^50864986 is an apocalyptic number.

50864986 is a deficient number, since it is larger than the sum of its proper divisors (32528294).

50864986 is a wasteful number, since it uses less digits than its factorization.

50864986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48309.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 50864986 is about 7131.9692932598. The cubic root of 50864986 is about 370.5154393979.

The spelling of 50864986 in words is "fifty million, eight hundred sixty-four thousand, nine hundred eighty-six".