5501381 has 2 divisors, whose sum is σ = 5501382. Its totient is φ = 5501380.

The previous prime is 5501371. The next prime is 5501389. The reversal of 5501381 is 1831055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5313025 + 188356 = 2305^2 + 434^2 .

It is a cyclic number.

It is not a de Polignac number, because 5501381 - 2²² = 1307077 is a prime.

It is a super-2 number, since 2×5501381² = 60530385814322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5501389) 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 as a sum of consecutive naturals, namely, 2750690 + 2750691.

It is an arithmetic number, because the mean of its divisors is an integer number (2750691).

Almost surely, 2^5501381 is an apocalyptic number.

It is an amenable number.

5501381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5501381 is an equidigital number, since it uses as much as digits as its factorization.

5501381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5501381 is about 2345.5022916211. The cubic root of 5501381 is about 176.5321895028.

The spelling of 5501381 in words is "five million, five hundred one thousand, three hundred eighty-one".