2551533542 has 16 divisors (see below), whose sum is σ = 3955795440. Its totient is φ = 1233374688.

The previous prime is 2551533511. The next prime is 2551533557. The reversal of 2551533542 is 2453351552.

2551533542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98192 + ... + 121427.

It is an arithmetic number, because the mean of its divisors is an integer number (247237215).

Almost surely, 2^2551533542 is an apocalyptic number.

2551533542 is a deficient number, since it is larger than the sum of its proper divisors (1404261898).

2551533542 is a wasteful number, since it uses less digits than its factorization.

2551533542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219815.

The product of its digits is 90000, while the sum is 35.

The square root of 2551533542 is about 50512.7067380080. The cubic root of 2551533542 is about 1366.4710251642.

The spelling of 2551533542 in words is "two billion, five hundred fifty-one million, five hundred thirty-three thousand, five hundred forty-two".