50683581 has 12 divisors (see below), whose sum is σ = 78841308. Its totient is φ = 31189824.

The previous prime is 50683573. The next prime is 50683597. The reversal of 50683581 is 18538605.

It can be written as a sum of positive squares in 2 ways, for example, as 19980900 + 30702681 = 4470^2 + 5541^2 .

It is not a de Polignac number, because 50683581 - 2³ = 50683573 is a prime.

It is a super-2 number, since 2×50683581² = 5137650765967122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50683571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216480 + ... + 216713.

It is an arithmetic number, because the mean of its divisors is an integer number (6570109).

Almost surely, 2^50683581 is an apocalyptic number.

It is an amenable number.

50683581 is a deficient number, since it is larger than the sum of its proper divisors (28157727).

50683581 is a wasteful number, since it uses less digits than its factorization.

50683581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433212 (or 433209 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 50683581 is about 7119.2401982234. The cubic root of 50683581 is about 370.0744456971.

It can be divided in two parts, 5068 and 3581, that added together give a square (8649 = 93²).

The spelling of 50683581 in words is "fifty million, six hundred eighty-three thousand, five hundred eighty-one".