2555631533 has 24 divisors (see below), whose sum is σ = 3216476928. Its totient is φ = 1976455872.

The previous prime is 2555631517. The next prime is 2555631563. The reversal of 2555631533 is 3351365552.

It is not a de Polignac number, because 2555631533 - 2⁴ = 2555631517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555631563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3305735 + ... + 3306507.

It is an arithmetic number, because the mean of its divisors is an integer number (134019872).

Almost surely, 2^2555631533 is an apocalyptic number.

It is an amenable number.

2555631533 is a deficient number, since it is larger than the sum of its proper divisors (660845395).

2555631533 is an frugal number, since it uses more digits than its factorization.

2555631533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 840 counting only the distinct ones).

The product of its digits is 202500, while the sum is 38.

The square root of 2555631533 is about 50553.2544254077. The cubic root of 2555631533 is about 1367.2021920780.

The spelling of 2555631533 in words is "two billion, five hundred fifty-five million, six hundred thirty-one thousand, five hundred thirty-three".