55368149 has 2 divisors, whose sum is σ = 55368150. Its totient is φ = 55368148.

The previous prime is 55368121. The next prime is 55368151. The reversal of 55368149 is 94186355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 874225 = 7382^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 55368149 - 2¹⁶ = 55302613 is a prime.

Together with 55368151, 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 (55368119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27684074 + 27684075.

It is an arithmetic number, because the mean of its divisors is an integer number (27684075).

Almost surely, 2^55368149 is an apocalyptic number.

It is an amenable number.

55368149 is a deficient number, since it is larger than the sum of its proper divisors (1).

55368149 is an equidigital number, since it uses as much as digits as its factorization.

55368149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 55368149 is about 7440.9776911371. The cubic root of 55368149 is about 381.1418769266.

The spelling of 55368149 in words is "fifty-five million, three hundred sixty-eight thousand, one hundred forty-nine".