55592657 has 2 divisors, whose sum is σ = 55592658. Its totient is φ = 55592656.

The previous prime is 55592627. The next prime is 55592659. The reversal of 55592657 is 75629555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54302161 + 1290496 = 7369^2 + 1136^2 .

It is a cyclic number.

It is not a de Polignac number, because 55592657 - 2⁸ = 55592401 is a prime.

Together with 55592659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55592659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27796328 + 27796329.

It is an arithmetic number, because the mean of its divisors is an integer number (27796329).

Almost surely, 2^55592657 is an apocalyptic number.

It is an amenable number.

55592657 is a deficient number, since it is larger than the sum of its proper divisors (1).

55592657 is an equidigital number, since it uses as much as digits as its factorization.

55592657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 44.

The square root of 55592657 is about 7456.0483501651. The cubic root of 55592657 is about 381.6563363866.

The spelling of 55592657 in words is "fifty-five million, five hundred ninety-two thousand, six hundred fifty-seven".