50388019 has 12 divisors (see below), whose sum is σ = 58018680. Its totient is φ = 43392960.

The previous prime is 50388011. The next prime is 50388029. The reversal of 50388019 is 91088305.

It is not a de Polignac number, because 50388019 - 2³ = 50388011 is a prime.

It is a super-2 number, since 2×50388019² = 5077904917488722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50388011) 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 11 ways as a sum of consecutive naturals, for example, 2374 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (4834890).

Almost surely, 2^50388019 is an apocalyptic number.

50388019 is a deficient number, since it is larger than the sum of its proper divisors (7630661).

50388019 is a wasteful number, since it uses less digits than its factorization.

50388019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738 (or 12719 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 50388019 is about 7098.4518734721. The cubic root of 50388019 is about 369.3536780800.

The spelling of 50388019 in words is "fifty million, three hundred eighty-eight thousand, nineteen".