5255521131 has 32 divisors (see below), whose sum is σ = 8096677888. Its totient is φ = 2970133920.

The previous prime is 5255521129. The next prime is 5255521147. The reversal of 5255521131 is 1311255525.

It is not a de Polignac number, because 5255521131 - 2¹ = 5255521129 is a prime.

It is a super-2 number, since 2×5255521131² = 55241004716775038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5255521031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2869386 + ... + 2871216.

It is an arithmetic number, because the mean of its divisors is an integer number (253021184).

Almost surely, 2^5255521131 is an apocalyptic number.

5255521131 is a deficient number, since it is larger than the sum of its proper divisors (2841156757).

5255521131 is a wasteful number, since it uses less digits than its factorization.

5255521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271.

The product of its digits is 7500, while the sum is 30.

The square root of 5255521131 is about 72494.9731429704. The cubic root of 5255521131 is about 1738.6223660882.

Adding to 5255521131 its reverse (1311255525), we get a palindrome (6566776656).

The spelling of 5255521131 in words is "five billion, two hundred fifty-five million, five hundred twenty-one thousand, one hundred thirty-one".