5509614891 has 16 divisors (see below), whose sum is σ = 8209450368. Its totient is φ = 3257716800.

The previous prime is 5509614853. The next prime is 5509614917. The reversal of 5509614891 is 1984169055.

It is not a de Polignac number, because 5509614891 - 2⁷ = 5509614763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5509614891.

It is not an unprimeable number, because it can be changed into a prime (5509614821) 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, 2034721 + ... + 2037426.

It is an arithmetic number, because the mean of its divisors is an integer number (513090648).

Almost surely, 2^5509614891 is an apocalyptic number.

5509614891 is a deficient number, since it is larger than the sum of its proper divisors (2699835477).

5509614891 is a wasteful number, since it uses less digits than its factorization.

5509614891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072202.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 5509614891 is about 74226.7801470601. The cubic root of 5509614891 is about 1766.2021723237.

The spelling of 5509614891 in words is "five billion, five hundred nine million, six hundred fourteen thousand, eight hundred ninety-one".