55377349 has 2 divisors, whose sum is σ = 55377350. Its totient is φ = 55377348.

The previous prime is 55377323. The next prime is 55377359. The reversal of 55377349 is 94377355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 6796449 = 6970^2 + 2607^2 .

It is a cyclic number.

It is not a de Polignac number, because 55377349 - 2⁵ = 55377317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55377319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688674 + 27688675.

It is an arithmetic number, because the mean of its divisors is an integer number (27688675).

Almost surely, 2^55377349 is an apocalyptic number.

It is an amenable number.

55377349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377349 is an equidigital number, since it uses as much as digits as its factorization.

55377349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 43.

The square root of 55377349 is about 7441.5958637916. The cubic root of 55377349 is about 381.1629860006.

The spelling of 55377349 in words is "fifty-five million, three hundred seventy-seven thousand, three hundred forty-nine".