55558927 has 2 divisors, whose sum is σ = 55558928. Its totient is φ = 55558926.

The previous prime is 55558903. The next prime is 55558957. The reversal of 55558927 is 72985555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55558927 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 (55558957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27779463 + 27779464.

It is an arithmetic number, because the mean of its divisors is an integer number (27779464).

Almost surely, 2^55558927 is an apocalyptic number.

55558927 is a deficient number, since it is larger than the sum of its proper divisors (1).

55558927 is an equidigital number, since it uses as much as digits as its factorization.

55558927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 46.

The square root of 55558927 is about 7453.7860849370. The cubic root of 55558927 is about 381.5791327093.

The spelling of 55558927 in words is "fifty-five million, five hundred fifty-eight thousand, nine hundred twenty-seven".