5531155340 has 24 divisors (see below), whose sum is σ = 11735176992. Its totient is φ = 2189652480.

The previous prime is 5531155339. The next prime is 5531155349. The reversal of 5531155340 is 435511355.

It is a junction number, because it is equal to n+sod(n) for n = 5531155297 and 5531155306.

It is not an unprimeable number, because it can be changed into a prime (5531155349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423616 + ... + 1427495.

It is an arithmetic number, because the mean of its divisors is an integer number (488965708).

Almost surely, 2^5531155340 is an apocalyptic number.

It is an amenable number.

5531155340 is an abundant number, since it is smaller than the sum of its proper divisors (6204021652).

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

5531155340 is a wasteful number, since it uses less digits than its factorization.

5531155340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851217 (or 2851215 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 5531155340 is about 74371.7375082766. The cubic root of 5531155340 is about 1768.5009001462.

Adding to 5531155340 its reverse (435511355), we get a palindrome (5966666695).

The spelling of 5531155340 in words is "five billion, five hundred thirty-one million, one hundred fifty-five thousand, three hundred forty".