5546399 has 2 divisors, whose sum is σ = 5546400. Its totient is φ = 5546398.

The previous prime is 5546393. The next prime is 5546419. The reversal of 5546399 is 9936455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5546399 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5546393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773199 + 2773200.

It is an arithmetic number, because the mean of its divisors is an integer number (2773200).

Almost surely, 2^5546399 is an apocalyptic number.

5546399 is a deficient number, since it is larger than the sum of its proper divisors (1).

5546399 is an equidigital number, since it uses as much as digits as its factorization.

5546399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 5546399 is about 2355.0794041815. The cubic root of 5546399 is about 177.0124051016.

The spelling of 5546399 in words is "five million, five hundred forty-six thousand, three hundred ninety-nine".