2551240055 has 96 divisors (see below), whose sum is σ = 3984422400. Its totient is φ = 1533482496.

The previous prime is 2551240051. The next prime is 2551240057. The reversal of 2551240055 is 5500421552.

It is not a de Polignac number, because 2551240055 - 2² = 2551240051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551240051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18354176 + ... + 18354314.

It is an arithmetic number, because the mean of its divisors is an integer number (41504400).

Almost surely, 2^2551240055 is an apocalyptic number.

2551240055 is a deficient number, since it is larger than the sum of its proper divisors (1433182345).

2551240055 is a wasteful number, since it uses less digits than its factorization.

2551240055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2551240055 is about 50509.8015735560. The cubic root of 2551240055 is about 1366.4186309403.

The spelling of 2551240055 in words is "two billion, five hundred fifty-one million, two hundred forty thousand, fifty-five".