5518950543 has 6 divisors (see below), whose sum is σ = 7971817464. Its totient is φ = 3679300356.

The previous prime is 5518950527. The next prime is 5518950551. The reversal of 5518950543 is 3450598155.

5518950543 is a `hidden beast` number, since 5 + 5 + 18 + 95 + 0 + 543 = 666.

It is not a de Polignac number, because 5518950543 - 2⁴ = 5518950527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518950583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306608355 + ... + 306608372.

It is an arithmetic number, because the mean of its divisors is an integer number (1328636244).

Almost surely, 2^5518950543 is an apocalyptic number.

5518950543 is a deficient number, since it is larger than the sum of its proper divisors (2452866921).

5518950543 is a wasteful number, since it uses less digits than its factorization.

5518950543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613216733 (or 613216730 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The square root of 5518950543 is about 74289.6395401135. The cubic root of 5518950543 is about 1767.1991775577.

The spelling of 5518950543 in words is "five billion, five hundred eighteen million, nine hundred fifty thousand, five hundred forty-three".