2555187623 has 4 divisors (see below), whose sum is σ = 2555305248. Its totient is φ = 2555070000.

The previous prime is 2555187577. The next prime is 2555187671. The reversal of 2555187623 is 3267815552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2555187623 - 2⁸ = 2555187367 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 (2555187673) 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, 15686 + ... + 73187.

It is an arithmetic number, because the mean of its divisors is an integer number (638826312).

Almost surely, 2^2555187623 is an apocalyptic number.

2555187623 is a deficient number, since it is larger than the sum of its proper divisors (117625).

2555187623 is an equidigital number, since it uses as much as digits as its factorization.

2555187623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117624.

The product of its digits is 504000, while the sum is 44.

The square root of 2555187623 is about 50548.8637162103. The cubic root of 2555187623 is about 1367.1230270574.

The spelling of 2555187623 in words is "two billion, five hundred fifty-five million, one hundred eighty-seven thousand, six hundred twenty-three".