2551542555 has 16 divisors (see below), whose sum is σ = 4086042624. Its totient is φ = 1359631200.

The previous prime is 2551542551. The next prime is 2551542569. The reversal of 2551542555 is 5552451552.

It is not a de Polignac number, because 2551542555 - 2² = 2551542551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551542551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56629 + ... + 91158.

It is an arithmetic number, because the mean of its divisors is an integer number (255377664).

Almost surely, 2^2551542555 is an apocalyptic number.

2551542555 is a deficient number, since it is larger than the sum of its proper divisors (1534500069).

2551542555 is a wasteful number, since it uses less digits than its factorization.

2551542555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148946.

The product of its digits is 250000, while the sum is 39.

The square root of 2551542555 is about 50512.7959531048. The cubic root of 2551542555 is about 1366.4726341298.

The spelling of 2551542555 in words is "two billion, five hundred fifty-one million, five hundred forty-two thousand, five hundred fifty-five".