2551023455 has 4 divisors (see below), whose sum is σ = 3061228152. Its totient is φ = 2040818760.

The previous prime is 2551023437. The next prime is 2551023463. The reversal of 2551023455 is 5543201552.

2551023455 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.

It is not a de Polignac number, because 2551023455 - 2⁸ = 2551023199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255102341 + ... + 255102350.

It is an arithmetic number, because the mean of its divisors is an integer number (765307038).

Almost surely, 2^2551023455 is an apocalyptic number.

2551023455 is a deficient number, since it is larger than the sum of its proper divisors (510204697).

2551023455 is an equidigital number, since it uses as much as digits as its factorization.

2551023455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510204696.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2551023455 is about 50507.6573897464. The cubic root of 2551023455 is about 1366.3799602487.

The spelling of 2551023455 in words is "two billion, five hundred fifty-one million, twenty-three thousand, four hundred fifty-five".