50351331 has 16 divisors (see below), whose sum is σ = 71721504. Its totient is φ = 31309824.

The previous prime is 50351303. The next prime is 50351333. The reversal of 50351331 is 13315305.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-50351331 is a prime.

It is a super-2 number, since 2×50351331² = 5070513066943122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50351298 and 50351307.

It is not an unprimeable number, because it can be changed into a prime (50351333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (4482594).

Almost surely, 2^50351331 is an apocalyptic number.

50351331 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50351331 is a deficient number, since it is larger than the sum of its proper divisors (21370173).

50351331 is a wasteful number, since it uses less digits than its factorization.

50351331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 50351331 is about 7095.8671774491. The cubic root of 50351331 is about 369.2640129957.

Adding to 50351331 its reverse (13315305), we get a palindrome (63666636).

The spelling of 50351331 in words is "fifty million, three hundred fifty-one thousand, three hundred thirty-one".