5550555555531 has 12 divisors (see below), whose sum is σ = 9162821869552. Its totient is φ = 3171746031696.

The previous prime is 5550555555529. The next prime is 5550555555539. The reversal of 5550555555531 is 1355555550555.

5550555555531 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 5 + 5 + 55 + 55 + 531 = 666.

It is not a de Polignac number, because 5550555555531 - 2¹ = 5550555555529 is a prime.

It is a super-2 number, since 2×5550555555531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5550555555539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44052028156 + ... + 44052028281.

Almost surely, 2^{5550555555531} is an apocalyptic number.

5550555555531 is a deficient number, since it is larger than the sum of its proper divisors (3612266314021).

5550555555531 is a wasteful number, since it uses less digits than its factorization.

5550555555531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88104056450 (or 88104056447 counting only the distinct ones).

The product of its (nonzero) digits is 29296875, while the sum is 54.

The spelling of 5550555555531 in words is "five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred thirty-one".