55257677 has 2 divisors, whose sum is σ = 55257678. Its totient is φ = 55257676.

The previous prime is 55257611. The next prime is 55257691. The reversal of 55257677 is 77675255.

It is a happy number.

55257677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50324836 + 4932841 = 7094^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 55257677 - 2¹⁰ = 55256653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55257077) 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, 27628838 + 27628839.

It is an arithmetic number, because the mean of its divisors is an integer number (27628839).

Almost surely, 2^55257677 is an apocalyptic number.

It is an amenable number.

55257677 is a deficient number, since it is larger than the sum of its proper divisors (1).

55257677 is an equidigital number, since it uses as much as digits as its factorization.

55257677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514500, while the sum is 44.

The square root of 55257677 is about 7433.5507666256. The cubic root of 55257677 is about 380.8882200221. Note that the first 3 decimals are identical.

The spelling of 55257677 in words is "fifty-five million, two hundred fifty-seven thousand, six hundred seventy-seven".