2551540555 has 8 divisors (see below), whose sum is σ = 3096252000. Its totient is φ = 2018296896.

The previous prime is 2551540543. The next prime is 2551540597. The reversal of 2551540555 is 5550451552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551540555 - 2⁷ = 2551540427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2866455 + ... + 2867344.

It is an arithmetic number, because the mean of its divisors is an integer number (387031500).

Almost surely, 2^2551540555 is an apocalyptic number.

2551540555 is a deficient number, since it is larger than the sum of its proper divisors (544711445).

2551540555 is an equidigital number, since it uses as much as digits as its factorization.

2551540555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733893.

The product of its (nonzero) digits is 125000, while the sum is 37.

The square root of 2551540555 is about 50512.7761561370. The cubic root of 2551540555 is about 1366.4722770979.

The spelling of 2551540555 in words is "two billion, five hundred fifty-one million, five hundred forty thousand, five hundred fifty-five".