5546188840 has 16 divisors (see below), whose sum is σ = 12478924980. Its totient is φ = 2218475520.

The previous prime is 5546188831. The next prime is 5546188849. The reversal of 5546188840 is 488816455.

It is an interprime number because it is at equal distance from previous prime (5546188831) and next prime (5546188849).

It can be written as a sum of positive squares in 2 ways, for example, as 5009525284 + 536663556 = 70778^2 + 23166^2 .

It is not an unprimeable number, because it can be changed into a prime (5546188849) 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, 69327321 + ... + 69327400.

Almost surely, 2^5546188840 is an apocalyptic number.

It is an amenable number.

5546188840 is an abundant number, since it is smaller than the sum of its proper divisors (6932736140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5546188840 is a wasteful number, since it uses less digits than its factorization.

5546188840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138654732 (or 138654728 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The square root of 5546188840 is about 74472.7389049174. The cubic root of 5546188840 is about 1770.1016933284.

The spelling of 5546188840 in words is "five billion, five hundred forty-six million, one hundred eighty-eight thousand, eight hundred forty".