5543031312 has 240 divisors, whose sum is σ = 19932890880. Its totient is φ = 1461825792.

The previous prime is 5543031311. The next prime is 5543031331. The reversal of 5543031312 is 2131303455.

It is a super-2 number, since 2×5543031312² = 61450392251624882688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5543031311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265113 + ... + 285255.

It is an arithmetic number, because the mean of its divisors is an integer number (83053712).

Almost surely, 2^5543031312 is an apocalyptic number.

5543031312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9966445440).

5543031312 is an abundant number, since it is smaller than the sum of its proper divisors (14389859568).

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

5543031312 is a wasteful number, since it uses less digits than its factorization.

5543031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20187 (or 20168 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 5543031312 is about 74451.5366664786. The cubic root of 5543031312 is about 1769.7657144657.

Adding to 5543031312 its reverse (2131303455), we get a palindrome (7674334767).

The spelling of 5543031312 in words is "five billion, five hundred forty-three million, thirty-one thousand, three hundred twelve".