55085203 has 2 divisors, whose sum is σ = 55085204. Its totient is φ = 55085202.

The previous prime is 55085201. The next prime is 55085227. The reversal of 55085203 is 30258055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55085203 - 2¹ = 55085201 is a prime.

Together with 55085201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55085201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27542601 + 27542602.

It is an arithmetic number, because the mean of its divisors is an integer number (27542602).

Almost surely, 2^55085203 is an apocalyptic number.

55085203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55085203 is an equidigital number, since it uses as much as digits as its factorization.

55085203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55085203 is about 7421.9406491833. The cubic root of 55085203 is about 380.4915223081.

The spelling of 55085203 in words is "fifty-five million, eighty-five thousand, two hundred three".