50994217 has 4 divisors (see below), whose sum is σ = 51010960. Its totient is φ = 50977476.

The previous prime is 50994211. The next prime is 50994221. The reversal of 50994217 is 71249905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50994217 - 2⁷ = 50994089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50994211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2367 + ... + 10372.

It is an arithmetic number, because the mean of its divisors is an integer number (12752740).

Almost surely, 2^50994217 is an apocalyptic number.

It is an amenable number.

50994217 is a deficient number, since it is larger than the sum of its proper divisors (16743).

50994217 is a wasteful number, since it uses less digits than its factorization.

50994217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16742.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 50994217 is about 7141.0235260780. The cubic root of 50994217 is about 370.8289595018.

It can be divided in two parts, 5099 and 4217, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 50994217 in words is "fifty million, nine hundred ninety-four thousand, two hundred seventeen".