50667919 has 16 divisors (see below), whose sum is σ = 55019520. Its totient is φ = 46522080.

The previous prime is 50667917. The next prime is 50667937. The reversal of 50667919 is 91976605.

It is a cyclic number.

It is not a de Polignac number, because 50667919 - 2¹ = 50667917 is a prime.

It is a super-2 number, since 2×50667919² = 5134476031581122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50667917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127429 + ... + 127825.

It is an arithmetic number, because the mean of its divisors is an integer number (3438720).

Almost surely, 2^50667919 is an apocalyptic number.

50667919 is a deficient number, since it is larger than the sum of its proper divisors (4351601).

50667919 is a wasteful number, since it uses less digits than its factorization.

50667919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 50667919 is about 7118.1401362997. The cubic root of 50667919 is about 370.0363222194.

The spelling of 50667919 in words is "fifty million, six hundred sixty-seven thousand, nine hundred nineteen".