50086819 has 4 divisors (see below), whose sum is σ = 51152544. Its totient is φ = 49021096.

The previous prime is 50086783. The next prime is 50086849. The reversal of 50086819 is 91868005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91868005 = 5 ⋅18373601.

It is a cyclic number.

It is not a de Polignac number, because 50086819 - 2⁷ = 50086691 is a prime.

It is a super-2 number, since 2×50086819² = 5017378875077522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50086849) 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, 532792 + ... + 532885.

It is an arithmetic number, because the mean of its divisors is an integer number (12788136).

Almost surely, 2^50086819 is an apocalyptic number.

50086819 is a deficient number, since it is larger than the sum of its proper divisors (1065725).

50086819 is a wasteful number, since it uses less digits than its factorization.

50086819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065724.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 50086819 is about 7077.2041796178. The cubic root of 50086819 is about 368.6162558544.

It can be divided in two parts, 50086 and 819, that added together give a palindrome (50905).

The spelling of 50086819 in words is "fifty million, eighty-six thousand, eight hundred nineteen".