55155349 has 2 divisors, whose sum is σ = 55155350. Its totient is φ = 55155348.

The previous prime is 55155343. The next prime is 55155377. The reversal of 55155349 is 94355155.

55155349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31438449 + 23716900 = 5607^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 55155349 - 2⁹ = 55154837 is a prime.

It is a super-3 number, since 3×55155349³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55155343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27577674 + 27577675.

It is an arithmetic number, because the mean of its divisors is an integer number (27577675).

Almost surely, 2^55155349 is an apocalyptic number.

It is an amenable number.

55155349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55155349 is an equidigital number, since it uses as much as digits as its factorization.

55155349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 37.

The square root of 55155349 is about 7426.6647292038. The cubic root of 55155349 is about 380.6529609269.

The spelling of 55155349 in words is "fifty-five million, one hundred fifty-five thousand, three hundred forty-nine".