2555540503 has 4 divisors (see below), whose sum is σ = 2555688168. Its totient is φ = 2555392840.

The previous prime is 2555540497. The next prime is 2555540509. The reversal of 2555540503 is 3050455552.

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

It is an interprime number because it is at equal distance from previous prime (2555540497) and next prime (2555540509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555540503 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 (2555540509) 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, 43801 + ... + 83842.

It is an arithmetic number, because the mean of its divisors is an integer number (638922042).

Almost surely, 2^2555540503 is an apocalyptic number.

2555540503 is a deficient number, since it is larger than the sum of its proper divisors (147665).

2555540503 is a wasteful number, since it uses less digits than its factorization.

2555540503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147664.

The product of its (nonzero) digits is 75000, while the sum is 34.

The square root of 2555540503 is about 50552.3540797063. The cubic root of 2555540503 is about 1367.1859589224.

The spelling of 2555540503 in words is "two billion, five hundred fifty-five million, five hundred forty thousand, five hundred three".