5550543531 has 24 divisors (see below), whose sum is σ = 8780531760. Its totient is φ = 3357821376.

The previous prime is 5550543527. The next prime is 5550543553. The reversal of 5550543531 is 1353450555.

5550543531 is a `hidden beast` number, since 5 + 550 + 54 + 3 + 53 + 1 = 666.

It is not a de Polignac number, because 5550543531 - 2² = 5550543527 is a prime.

It is a super-2 number, since 2×5550543531² = 61617066979051895922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5550543331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395136 + ... + 408941.

It is an arithmetic number, because the mean of its divisors is an integer number (365855490).

Almost surely, 2^5550543531 is an apocalyptic number.

5550543531 is a deficient number, since it is larger than the sum of its proper divisors (3229988229).

5550543531 is a wasteful number, since it uses less digits than its factorization.

5550543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804155 (or 804152 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 5550543531 is about 74501.9699806656. The cubic root of 5550543531 is about 1770.5648479733.

It can be divided in two parts, 5550 and 543531, that added together give a square (549081 = 741²).

The spelling of 5550543531 in words is "five billion, five hundred fifty million, five hundred forty-three thousand, five hundred thirty-one".