50402019 has 4 divisors (see below), whose sum is σ = 67202696. Its totient is φ = 33601344.

The previous prime is 50401979. The next prime is 50402021. The reversal of 50402019 is 91020405.

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

It is not a de Polignac number, because 50402019 - 2¹⁵ = 50369251 is a prime.

It is a super-2 number, since 2×50402019² = 5080727038552722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50401986 and 50402004.

It is not an unprimeable number, because it can be changed into a prime (50402419) 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, 8400334 + ... + 8400339.

It is an arithmetic number, because the mean of its divisors is an integer number (16800674).

Almost surely, 2^50402019 is an apocalyptic number.

50402019 is a deficient number, since it is larger than the sum of its proper divisors (16800677).

50402019 is a wasteful number, since it uses less digits than its factorization.

50402019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800676.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 50402019 is about 7099.4379354988. The cubic root of 50402019 is about 369.3878824587.

The spelling of 50402019 in words is "fifty million, four hundred two thousand, nineteen".