50221787 has 16 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 38955840.

The previous prime is 50221783. The next prime is 50221799. The reversal of 50221787 is 78712205.

It is not a de Polignac number, because 50221787 - 2² = 50221783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50221781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17039 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^50221787 is an apocalyptic number.

50221787 is a deficient number, since it is larger than the sum of its proper divisors (12677413).

50221787 is a wasteful number, since it uses less digits than its factorization.

50221787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 50221787 is about 7086.7331683929. The cubic root of 50221787 is about 368.9470599697.

The spelling of 50221787 in words is "fifty million, two hundred twenty-one thousand, seven hundred eighty-seven".