5544645513 has 16 divisors (see below), whose sum is σ = 8077551552. Its totient is φ = 3355136000.

The previous prime is 5544645511. The next prime is 5544645527. The reversal of 5544645513 is 3155464455.

It is a cyclic number.

It is not a de Polignac number, because 5544645513 - 2¹ = 5544645511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5544645511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109908 + ... + 152213.

It is an arithmetic number, because the mean of its divisors is an integer number (504846972).

Almost surely, 2^5544645513 is an apocalyptic number.

It is an amenable number.

5544645513 is a deficient number, since it is larger than the sum of its proper divisors (2532906039).

5544645513 is a wasteful number, since it uses less digits than its factorization.

5544645513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262776.

The product of its digits is 720000, while the sum is 42.

The square root of 5544645513 is about 74462.3764930988. The cubic root of 5544645513 is about 1769.9374905308.

The spelling of 5544645513 in words is "five billion, five hundred forty-four million, six hundred forty-five thousand, five hundred thirteen".