50609831 has 4 divisors (see below), whose sum is σ = 51219672. Its totient is φ = 49999992.

The previous prime is 50609813. The next prime is 50609837. The reversal of 50609831 is 13890605.

50609831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13890605 = 5 ⋅2778121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50609831 is a prime.

It is a super-2 number, since 2×50609831² = 5122709987697122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50609837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304796 + ... + 304961.

It is an arithmetic number, because the mean of its divisors is an integer number (12804918).

Almost surely, 2^50609831 is an apocalyptic number.

50609831 is a deficient number, since it is larger than the sum of its proper divisors (609841).

50609831 is an equidigital number, since it uses as much as digits as its factorization.

50609831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609840.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 50609831 is about 7114.0586868538. The cubic root of 50609831 is about 369.8948593392.

The spelling of 50609831 in words is "fifty million, six hundred nine thousand, eight hundred thirty-one".