5540887221 has 4 divisors (see below), whose sum is σ = 7387849632. Its totient is φ = 3693924812.

The previous prime is 5540887213. The next prime is 5540887241. The reversal of 5540887221 is 1227880455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5540887221 - 2³ = 5540887213 is a prime.

It is a super-3 number, since 3×5540887221³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540887241) 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, 923481201 + ... + 923481206.

It is an arithmetic number, because the mean of its divisors is an integer number (1846962408).

Almost surely, 2^5540887221 is an apocalyptic number.

It is an amenable number.

5540887221 is a deficient number, since it is larger than the sum of its proper divisors (1846962411).

5540887221 is a wasteful number, since it uses less digits than its factorization.

5540887221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846962410.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 5540887221 is about 74437.1360343747. The cubic root of 5540887221 is about 1769.5374982975.

The spelling of 5540887221 in words is "five billion, five hundred forty million, eight hundred eighty-seven thousand, two hundred twenty-one".