2531643055 has 16 divisors (see below), whose sum is σ = 3155975424. Its totient is φ = 1947479040.

The previous prime is 2531643053. The next prime is 2531643089. The reversal of 2531643055 is 5503461352.

It is not a de Polignac number, because 2531643055 - 2¹ = 2531643053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2531643055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531643053) 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, 27682 + ... + 76351.

It is an arithmetic number, because the mean of its divisors is an integer number (197248464).

Almost surely, 2^2531643055 is an apocalyptic number.

2531643055 is a deficient number, since it is larger than the sum of its proper divisors (624332369).

2531643055 is a wasteful number, since it uses less digits than its factorization.

2531643055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104226.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2531643055 is about 50315.4355541120. The cubic root of 2531643055 is about 1362.9109820433.

The spelling of 2531643055 in words is "two billion, five hundred thirty-one million, six hundred forty-three thousand, fifty-five".