5546090891 has 16 divisors (see below), whose sum is σ = 6128729568. Its totient is φ = 4976832000.

The previous prime is 5546090881. The next prime is 5546090909. The reversal of 5546090891 is 1980906455.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5546090891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5546090881) 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, 367001 + ... + 381813.

It is an arithmetic number, because the mean of its divisors is an integer number (383045598).

Almost surely, 2^5546090891 is an apocalyptic number.

5546090891 is a deficient number, since it is larger than the sum of its proper divisors (582638677).

5546090891 is a wasteful number, since it uses less digits than its factorization.

5546090891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 5546090891 is about 74472.0812855395. The cubic root of 5546090891 is about 1770.0912729168.

The spelling of 5546090891 in words is "five billion, five hundred forty-six million, ninety thousand, eight hundred ninety-one".