2555143551 has 24 divisors (see below), whose sum is σ = 3738333456. Its totient is φ = 1681574400.

The previous prime is 2555143543. The next prime is 2555143559. The reversal of 2555143551 is 1553415552.

2555143551 is a `hidden beast` number, since 2 + 55 + 51 + 4 + 3 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (2555143543) and next prime (2555143559).

It is not a de Polignac number, because 2555143551 - 2³ = 2555143543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555143559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316896 + ... + 324858.

It is an arithmetic number, because the mean of its divisors is an integer number (155763894).

Almost surely, 2^2555143551 is an apocalyptic number.

2555143551 is a deficient number, since it is larger than the sum of its proper divisors (1183189905).

2555143551 is a wasteful number, since it uses less digits than its factorization.

2555143551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8420 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 2555143551 is about 50548.4277797045. The cubic root of 2555143551 is about 1367.1151669442.

The spelling of 2555143551 in words is "two billion, five hundred fifty-five million, one hundred forty-three thousand, five hundred fifty-one".