55344977 has 2 divisors, whose sum is σ = 55344978. Its totient is φ = 55344976.

The previous prime is 55344953. The next prime is 55345019. The reversal of 55344977 is 77944355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 3519376 = 7199^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 55344977 - 2⁸ = 55344721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55344907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672488 + 27672489.

It is an arithmetic number, because the mean of its divisors is an integer number (27672489).

Almost surely, 2^55344977 is an apocalyptic number.

It is an amenable number.

55344977 is a deficient number, since it is larger than the sum of its proper divisors (1).

55344977 is an equidigital number, since it uses as much as digits as its factorization.

55344977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 55344977 is about 7439.4204747413. The cubic root of 55344977 is about 381.0886992298.

The spelling of 55344977 in words is "fifty-five million, three hundred forty-four thousand, nine hundred seventy-seven".