2555066903 has 4 divisors (see below), whose sum is σ = 2637488448. Its totient is φ = 2472645360.

The previous prime is 2555066881. The next prime is 2555066911. The reversal of 2555066903 is 3096605552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555066903 - 2¹⁰ = 2555065879 is a prime.

It is a super-2 number, since 2×2555066903² = 13056733757612022818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555066203) 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, 41210726 + ... + 41210787.

It is an arithmetic number, because the mean of its divisors is an integer number (659372112).

Almost surely, 2^2555066903 is an apocalyptic number.

2555066903 is a deficient number, since it is larger than the sum of its proper divisors (82421545).

2555066903 is an equidigital number, since it uses as much as digits as its factorization.

2555066903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82421544.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 2555066903 is about 50547.6696099830. The cubic root of 2555066903 is about 1367.1014967806.

The spelling of 2555066903 in words is "two billion, five hundred fifty-five million, sixty-six thousand, nine hundred three".