5505256891 has 16 divisors (see below), whose sum is σ = 5617965600. Its totient is φ = 5393943808.

The previous prime is 5505256849. The next prime is 5505256903. The reversal of 5505256891 is 1986525055.

It is a cyclic number.

It is not a de Polignac number, because 5505256891 - 2²⁹ = 4968385979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505259891) 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, 5434101 + ... + 5435113.

It is an arithmetic number, because the mean of its divisors is an integer number (351122850).

Almost surely, 2^5505256891 is an apocalyptic number.

5505256891 is a deficient number, since it is larger than the sum of its proper divisors (112708709).

5505256891 is a wasteful number, since it uses less digits than its factorization.

5505256891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 540000, while the sum is 46.

The square root of 5505256891 is about 74197.4183580534. The cubic root of 5505256891 is about 1765.7363721100.

The spelling of 5505256891 in words is "five billion, five hundred five million, two hundred fifty-six thousand, eight hundred ninety-one".