5533861 has 2 divisors, whose sum is σ = 5533862. Its totient is φ = 5533860.

The previous prime is 5533849. The next prime is 5533901. The reversal of 5533861 is 1683355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 216225 = 2306^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 5533861 - 2⁹ = 5533349 is a prime.

5533861 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5533261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2766930 + 2766931.

It is an arithmetic number, because the mean of its divisors is an integer number (2766931).

Almost surely, 2^5533861 is an apocalyptic number.

It is an amenable number.

5533861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5533861 is an equidigital number, since it uses as much as digits as its factorization.

5533861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 5533861 is about 2352.4159921238. The cubic root of 5533861 is about 176.8789217375.

The spelling of 5533861 in words is "five million, five hundred thirty-three thousand, eight hundred sixty-one".