50000019 has 8 divisors (see below), whose sum is σ = 66723072. Its totient is φ = 33305160.

The previous prime is 50000017. The next prime is 50000021. The reversal of 50000019 is 91000005.

It is an interprime number because it is at equal distance from previous prime (50000017) and next prime (50000021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50000019 - 2¹ = 50000017 is a prime.

It is a super-2 number, since 2×50000019² = 5000003800000722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49999962 and 50000007.

It is not an unprimeable number, because it can be changed into a prime (50000017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (8340384).

Almost surely, 2^50000019 is an apocalyptic number.

50000019 is a deficient number, since it is larger than the sum of its proper divisors (16723053).

50000019 is a wasteful number, since it uses less digits than its factorization.

50000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 50000019 is about 7071.0691553682. The cubic root of 50000019 is about 368.4031965284.

The spelling of 50000019 in words is "fifty million, nineteen", and thus it is an aban number and an uban number.