55346399 has 2 divisors, whose sum is σ = 55346400. Its totient is φ = 55346398.

The previous prime is 55346387. The next prime is 55346453. The reversal of 55346399 is 99364355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55346399 - 2¹² = 55342303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55346099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27673199 + 27673200.

It is an arithmetic number, because the mean of its divisors is an integer number (27673200).

Almost surely, 2^55346399 is an apocalyptic number.

55346399 is a deficient number, since it is larger than the sum of its proper divisors (1).

55346399 is an equidigital number, since it uses as much as digits as its factorization.

55346399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 44.

The square root of 55346399 is about 7439.5160460879. The cubic root of 55346399 is about 381.0919630219.

The spelling of 55346399 in words is "fifty-five million, three hundred forty-six thousand, three hundred ninety-nine".