50401 has 4 divisors (see below), whose sum is σ = 54292. Its totient is φ = 46512.

The previous prime is 50387. The next prime is 50411. The reversal of 50401 is 10405.

50401 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10405 = 5 ⋅2081.

It can be written as a sum of positive squares in 2 ways, for example, as 10000 + 40401 = 100^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 50401 - 2⁷ = 50273 is a prime.

It is the 225-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50411) by changing a digit.

It is a nontrivial repunit in base 224.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (13573).

2⁵⁰⁴⁰¹ is an apocalyptic number.

It is an amenable number.

50401 is a deficient number, since it is larger than the sum of its proper divisors (3891).

50401 is a wasteful number, since it uses less digits than its factorization.

50401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 50401 is about 224.5016703724. The cubic root of 50401 is about 36.9385393082.

Adding to 50401 its reverse (10405), we get a palindrome (60806).

It can be divided in two parts, 5040 and 1, that added together give a square (5041 = 71²).

The spelling of 50401 in words is "fifty thousand, four hundred one".