555056903 has 4 divisors (see below), whose sum is σ = 555897288. Its totient is φ = 554216520.

The previous prime is 555056881. The next prime is 555056911. The reversal of 555056903 is 309650555.

It is a happy number.

555056903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309650555 = 5 ⋅61930111.

It is a cyclic number.

It is not a de Polignac number, because 555056903 - 2²⁶ = 487948039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555056933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419201 + ... + 420522.

It is an arithmetic number, because the mean of its divisors is an integer number (138974322).

Almost surely, 2^555056903 is an apocalyptic number.

555056903 is a deficient number, since it is larger than the sum of its proper divisors (840385).

555056903 is an equidigital number, since it uses as much as digits as its factorization.

555056903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840384.

The product of its (nonzero) digits is 101250, while the sum is 38.

The square root of 555056903 is about 23559.6456467410. The cubic root of 555056903 is about 821.8246612280.

The spelling of 555056903 in words is "five hundred fifty-five million, fifty-six thousand, nine hundred three".