50221617 has 16 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 30860352.

The previous prime is 50221609. The next prime is 50221681. The reversal of 50221617 is 71612205.

It is not a de Polignac number, because 50221617 - 2³ = 50221609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50221217) 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, 9798 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 2^50221617 is an apocalyptic number.

50221617 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50221617 is a deficient number, since it is larger than the sum of its proper divisors (22172943).

50221617 is a wasteful number, since it uses less digits than its factorization.

50221617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23872.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 50221617 is about 7086.7211741397. The cubic root of 50221617 is about 368.9466436758.

The spelling of 50221617 in words is "fifty million, two hundred twenty-one thousand, six hundred seventeen".