2551541555 has 16 divisors (see below), whose sum is σ = 3107844288. Its totient is φ = 2010624000.

The previous prime is 2551541537. The next prime is 2551541557. The reversal of 2551541555 is 5551451552.

2551541555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2551541555 - 2⁶ = 2551541491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551541557) 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, 480515 + ... + 485795.

It is an arithmetic number, because the mean of its divisors is an integer number (194240268).

Almost surely, 2^2551541555 is an apocalyptic number.

2551541555 is a deficient number, since it is larger than the sum of its proper divisors (556302733).

2551541555 is a wasteful number, since it uses less digits than its factorization.

2551541555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718.

The product of its digits is 125000, while the sum is 38.

The square root of 2551541555 is about 50512.7860546219. The cubic root of 2551541555 is about 1366.4724556139.

The spelling of 2551541555 in words is "two billion, five hundred fifty-one million, five hundred forty-one thousand, five hundred fifty-five".