5255540351 has 4 divisors (see below), whose sum is σ = 5383724304. Its totient is φ = 5127356400.

The previous prime is 5255540321. The next prime is 5255540357. The reversal of 5255540351 is 1530455525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5255540351 - 2²² = 5251346047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255540357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64091915 + ... + 64091996.

It is an arithmetic number, because the mean of its divisors is an integer number (1345931076).

Almost surely, 2^5255540351 is an apocalyptic number.

5255540351 is a deficient number, since it is larger than the sum of its proper divisors (128183953).

5255540351 is a wasteful number, since it uses less digits than its factorization.

5255540351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128183952.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 5255540351 is about 72495.1057037646. The cubic root of 5255540351 is about 1738.6244855280.

Adding to 5255540351 its reverse (1530455525), we get a palindrome (6785995876).

The spelling of 5255540351 in words is "five billion, two hundred fifty-five million, five hundred forty thousand, three hundred fifty-one".