5544552145 has 24 divisors (see below), whose sum is σ = 7324653672. Its totient is φ = 4026147840.

The previous prime is 5544552133. The next prime is 5544552163. The reversal of 5544552145 is 5412554455.

It can be written as a sum of positive squares in 4 ways, for example, as 3881788416 + 1662763729 = 62304^2 + 40777^2 .

It is not a de Polignac number, because 5544552145 - 2¹⁷ = 5544421073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5544552098 and 5544552107.

It is an unprimeable number.

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, 402817 + ... + 416353.

It is an arithmetic number, because the mean of its divisors is an integer number (305193903).

Almost surely, 2^5544552145 is an apocalyptic number.

5544552145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5544552145 is a deficient number, since it is larger than the sum of its proper divisors (1780101527).

5544552145 is a wasteful number, since it uses less digits than its factorization.

5544552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14241 (or 14230 counting only the distinct ones).

The product of its digits is 400000, while the sum is 40.

The square root of 5544552145 is about 74461.7495429700. The cubic root of 5544552145 is about 1769.9275556335.

The spelling of 5544552145 in words is "five billion, five hundred forty-four million, five hundred fifty-two thousand, one hundred forty-five".