5540543220 has 48 divisors (see below), whose sum is σ = 15732033408. Its totient is φ = 1456667520.

The previous prime is 5540543179. The next prime is 5540543221. The reversal of 5540543220 is 223450455.

It is a super-5 number, since 5×5540543220⁵ (a number of 50 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540543221) 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, 646039 + ... + 654558.

It is an arithmetic number, because the mean of its divisors is an integer number (327750696).

Almost surely, 2^5540543220 is an apocalyptic number.

It is an amenable number.

5540543220 is an abundant number, since it is smaller than the sum of its proper divisors (10191490188).

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

5540543220 is a wasteful number, since it uses less digits than its factorization.

5540543220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300680 (or 1300678 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 5540543220 is about 74434.8253171860. The cubic root of 5540543220 is about 1769.5008774915.

Adding to 5540543220 its reverse (223450455), we get a palindrome (5763993675).

The spelling of 5540543220 in words is "five billion, five hundred forty million, five hundred forty-three thousand, two hundred twenty".