2981532555 has 12 divisors (see below), whose sum is σ = 5167989840. Its totient is φ = 1590150672.

The previous prime is 2981532517. The next prime is 2981532559. The reversal of 2981532555 is 5552351892.

It is a happy number.

2981532555 is a `hidden beast` number, since 2 + 98 + 1 + 5 + 3 + 2 + 555 = 666.

It is not a de Polignac number, because 2981532555 - 2⁸ = 2981532299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 66256279 = 2981532555 / (2 + 9 + 8 + 1 + 5 + 3 + 2 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2981532555.

It is not an unprimeable number, because it can be changed into a prime (2981532559) 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 11 ways as a sum of consecutive naturals, for example, 33128095 + ... + 33128184.

It is an arithmetic number, because the mean of its divisors is an integer number (430665820).

Almost surely, 2^2981532555 is an apocalyptic number.

2981532555 is a deficient number, since it is larger than the sum of its proper divisors (2186457285).

2981532555 is a wasteful number, since it uses less digits than its factorization.

2981532555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66256290 (or 66256287 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 2981532555 is about 54603.4115692417. The cubic root of 2981532555 is about 1439.2840697538.

The spelling of 2981532555 in words is "two billion, nine hundred eighty-one million, five hundred thirty-two thousand, five hundred fifty-five".