50820831 has 8 divisors (see below), whose sum is σ = 75290160. Its totient is φ = 33880536.

The previous prime is 50820793. The next prime is 50820841. The reversal of 50820831 is 13802805.

It is a happy number.

It is not a de Polignac number, because 50820831 - 2¹¹ = 50818783 is a prime.

It is a super-2 number, since 2×50820831² = 5165513727061122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1882253 = 50820831 / (5 + 0 + 8 + 2 + 0 + 8 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 50820795 and 50820804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50820841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941100 + ... + 941153.

It is an arithmetic number, because the mean of its divisors is an integer number (9411270).

Almost surely, 2^50820831 is an apocalyptic number.

50820831 is a deficient number, since it is larger than the sum of its proper divisors (24469329).

50820831 is a wasteful number, since it uses less digits than its factorization.

50820831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882262 (or 1882256 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 50820831 is about 7128.8730525939. The cubic root of 50820831 is about 370.4081957137.

The spelling of 50820831 in words is "fifty million, eight hundred twenty thousand, eight hundred thirty-one".