50979219 has 4 divisors (see below), whose sum is σ = 67972296. Its totient is φ = 33986144.

The previous prime is 50979217. The next prime is 50979251. The reversal of 50979219 is 91297905.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50979219 - 2¹ = 50979217 is a prime.

It is a super-2 number, since 2×50979219² = 5197761539699922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50979217) 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, 8496534 + ... + 8496539.

It is an arithmetic number, because the mean of its divisors is an integer number (16993074).

Almost surely, 2^50979219 is an apocalyptic number.

50979219 is a deficient number, since it is larger than the sum of its proper divisors (16993077).

50979219 is a wasteful number, since it uses less digits than its factorization.

50979219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16993076.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 50979219 is about 7139.9733192779. The cubic root of 50979219 is about 370.7926008818.

The spelling of 50979219 in words is "fifty million, nine hundred seventy-nine thousand, two hundred nineteen".