50309019 has 14 divisors (see below), whose sum is σ = 75430116. Its totient is φ = 33538860.

The previous prime is 50308987. The next prime is 50309033. The reversal of 50309019 is 91090305.

It is not a de Polignac number, because 50309019 - 2⁵ = 50308987 is a prime.

It is a super-2 number, since 2×50309019² = 5061994785484722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50308983 and 50309001.

It is not an unprimeable number, because it can be changed into a prime (50309099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 33777 + ... + 35234.

Almost surely, 2^50309019 is an apocalyptic number.

50309019 is a deficient number, since it is larger than the sum of its proper divisors (25121097).

50309019 is an frugal number, since it uses more digits than its factorization.

50309019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69029 (or 69014 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 50309019 is about 7092.8850970532. The cubic root of 50309019 is about 369.1605488158.

The spelling of 50309019 in words is "fifty million, three hundred nine thousand, nineteen".