55504117 has 2 divisors, whose sum is σ = 55504118. Its totient is φ = 55504116.

The previous prime is 55504103. The next prime is 55504121. The reversal of 55504117 is 71140555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 729316 = 7401^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 55504117 - 2⁷ = 55503989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55504147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752058 + 27752059.

It is an arithmetic number, because the mean of its divisors is an integer number (27752059).

Almost surely, 2^55504117 is an apocalyptic number.

It is an amenable number.

55504117 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504117 is an equidigital number, since it uses as much as digits as its factorization.

55504117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 55504117 is about 7450.1085226995. The cubic root of 55504117 is about 381.4536129255.

The spelling of 55504117 in words is "fifty-five million, five hundred four thousand, one hundred seventeen".