55564349 has 2 divisors, whose sum is σ = 55564350. Its totient is φ = 55564348.

The previous prime is 55564337. The next prime is 55564357. The reversal of 55564349 is 94346555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 17347225 = 6182^2 + 4165^2 .

It is a cyclic number.

It is not a de Polignac number, because 55564349 - 2¹⁶ = 55498813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55564309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27782174 + 27782175.

It is an arithmetic number, because the mean of its divisors is an integer number (27782175).

Almost surely, 2^55564349 is an apocalyptic number.

It is an amenable number.

55564349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55564349 is an equidigital number, since it uses as much as digits as its factorization.

55564349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 55564349 is about 7454.1497838452. The cubic root of 55564349 is about 381.5915450846.

The spelling of 55564349 in words is "fifty-five million, five hundred sixty-four thousand, three hundred forty-nine".