50559381 has 6 divisors (see below), whose sum is σ = 73030230. Its totient is φ = 33706248.

The previous prime is 50559371. The next prime is 50559389. The reversal of 50559381 is 18395505.

It is a happy number.

50559381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 5803281 = 6690^2 + 2409^2 .

It is not a de Polignac number, because 50559381 - 2⁵ = 50559349 is a prime.

It is a super-2 number, since 2×50559381² = 5112502014206322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50559389) 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 5 ways as a sum of consecutive naturals, for example, 2808846 + ... + 2808863.

It is an arithmetic number, because the mean of its divisors is an integer number (12171705).

Almost surely, 2^50559381 is an apocalyptic number.

It is an amenable number.

50559381 is a deficient number, since it is larger than the sum of its proper divisors (22470849).

50559381 is a wasteful number, since it uses less digits than its factorization.

50559381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617715 (or 5617712 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 50559381 is about 7110.5120068811. The cubic root of 50559381 is about 369.7719095784.

The spelling of 50559381 in words is "fifty million, five hundred fifty-nine thousand, three hundred eighty-one".