50942819 has 4 divisors (see below), whose sum is σ = 53624040. Its totient is φ = 48261600.

The previous prime is 50942813. The next prime is 50942891. The reversal of 50942819 is 91824905.

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 50942819 - 2⁴ = 50942803 is a prime.

It is a super-2 number, since 2×50942819² = 5190341615333522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50942813) 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, 1340582 + ... + 1340619.

It is an arithmetic number, because the mean of its divisors is an integer number (13406010).

Almost surely, 2^50942819 is an apocalyptic number.

50942819 is a deficient number, since it is larger than the sum of its proper divisors (2681221).

50942819 is a wasteful number, since it uses less digits than its factorization.

50942819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681220.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 50942819 is about 7137.4238349701. The cubic root of 50942819 is about 370.7043291995.

The spelling of 50942819 in words is "fifty million, nine hundred forty-two thousand, eight hundred nineteen".