5550472731 has 16 divisors (see below), whose sum is σ = 7542501120. Its totient is φ = 3629653920.

The previous prime is 5550472727. The next prime is 5550472747. The reversal of 5550472731 is 1372740555.

It is a happy number.

5550472731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5550472731 - 2² = 5550472727 is a prime.

It is a super-2 number, since 2×5550472731² = 61615495075149196722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5550472731.

It is not an unprimeable number, because it can be changed into a prime (5550472721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47586 + ... + 115608.

It is an arithmetic number, because the mean of its divisors is an integer number (471406320).

Almost surely, 2^5550472731 is an apocalyptic number.

5550472731 is a deficient number, since it is larger than the sum of its proper divisors (1992028389).

5550472731 is a wasteful number, since it uses less digits than its factorization.

5550472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68546.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 5550472731 is about 74501.4948239295. The cubic root of 5550472731 is about 1770.5573197902.

The spelling of 5550472731 in words is "five billion, five hundred fifty million, four hundred seventy-two thousand, seven hundred thirty-one".