5531543145 has 12 divisors (see below), whose sum is σ = 9588008196. Its totient is φ = 2950156320.

The previous prime is 5531543119. The next prime is 5531543153. The reversal of 5531543145 is 5413451355.

5531543145 is a `hidden beast` number, since 5 + 531 + 54 + 31 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1724159529 + 3807383616 = 41523^2 + 61704^2 .

It is not a de Polignac number, because 5531543145 - 2⁸ = 5531542889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61461546 + ... + 61461635.

It is an arithmetic number, because the mean of its divisors is an integer number (799000683).

Almost surely, 2^5531543145 is an apocalyptic number.

It is an amenable number.

5531543145 is a deficient number, since it is larger than the sum of its proper divisors (4056465051).

5531543145 is a wasteful number, since it uses less digits than its factorization.

5531543145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122923192 (or 122923189 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 5531543145 is about 74374.3446693818. The cubic root of 5531543145 is about 1768.5422307195.

The spelling of 5531543145 in words is "five billion, five hundred thirty-one million, five hundred forty-three thousand, one hundred forty-five".