5513315643 has 24 divisors (see below), whose sum is σ = 8810021376. Its totient is φ = 3294337200.

The previous prime is 5513315617. The next prime is 5513315659. The reversal of 5513315643 is 3465133155.

5513315643 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 3 + 1 + 5 + 643 = 666.

It is not a de Polignac number, because 5513315643 - 2⁹ = 5513315131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5513315598 and 5513315607.

It is not an unprimeable number, because it can be changed into a prime (5513315693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385155 + ... + 399212.

It is an arithmetic number, because the mean of its divisors is an integer number (367084224).

Almost surely, 2^5513315643 is an apocalyptic number.

5513315643 is a deficient number, since it is larger than the sum of its proper divisors (3296705733).

5513315643 is a wasteful number, since it uses less digits than its factorization.

5513315643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784455 (or 784452 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 5513315643 is about 74251.7046470988. The cubic root of 5513315643 is about 1766.5975304656.

Adding to 5513315643 its reverse (3465133155), we get a palindrome (8978448798).

The spelling of 5513315643 in words is "five billion, five hundred thirteen million, three hundred fifteen thousand, six hundred forty-three".