55330349 has 2 divisors, whose sum is σ = 55330350. Its totient is φ = 55330348.

The previous prime is 55330343. The next prime is 55330351. The reversal of 55330349 is 94303355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 5175625 = 7082^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 55330349 - 2⁴ = 55330333 is a prime.

It is a super-2 number, since 2×55330349² = 6122895040923602, which contains 22 as substring.

Together with 55330351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55330343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665174 + 27665175.

It is an arithmetic number, because the mean of its divisors is an integer number (27665175).

Almost surely, 2^55330349 is an apocalyptic number.

It is an amenable number.

55330349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55330349 is an equidigital number, since it uses as much as digits as its factorization.

55330349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 55330349 is about 7438.4372686741. The cubic root of 55330349 is about 381.0551216166.

The spelling of 55330349 in words is "fifty-five million, three hundred thirty thousand, three hundred forty-nine".