50499987 has 16 divisors (see below), whose sum is σ = 69457920. Its totient is φ = 32616000.

The previous prime is 50499971. The next prime is 50499989. The reversal of 50499987 is 78999405.

It is a happy number.

It is not a de Polignac number, because 50499987 - 2⁴ = 50499971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50499989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17214 + ... + 19932.

It is an arithmetic number, because the mean of its divisors is an integer number (4341120).

Almost surely, 2^50499987 is an apocalyptic number.

50499987 is a deficient number, since it is larger than the sum of its proper divisors (18957933).

50499987 is a wasteful number, since it uses less digits than its factorization.

50499987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 50499987 is about 7106.3342870991. The cubic root of 50499987 is about 369.6270578685.

The spelling of 50499987 in words is "fifty million, four hundred ninety-nine thousand, nine hundred eighty-seven".