55057085 has 16 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 42481920.

The previous prime is 55057063. The next prime is 55057127. The reversal of 55057085 is 58075055.

55057085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55057085 - 2¹² = 55052989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 91616 + ... + 92214.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^55057085 is an apocalyptic number.

It is an amenable number.

55057085 is a deficient number, since it is larger than the sum of its proper divisors (13371715).

55057085 is a wasteful number, since it uses less digits than its factorization.

55057085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 55057085 is about 7420.0461588861. The cubic root of 55057085 is about 380.4267712140.

The spelling of 55057085 in words is "fifty-five million, fifty-seven thousand, eighty-five".