5543612642 has 4 divisors (see below), whose sum is σ = 8315418966. Its totient is φ = 2771806320.

The previous prime is 5543612639. The next prime is 5543612689. The reversal of 5543612642 is 2462163455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3553471321 + 1990141321 = 59611^2 + 44611^2 .

It is a super-2 number, since 2×5543612642² = 61463282249084440328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5543612596 and 5543612605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385903159 + ... + 1385903162.

Almost surely, 2^5543612642 is an apocalyptic number.

5543612642 is a deficient number, since it is larger than the sum of its proper divisors (2771806324).

5543612642 is a wasteful number, since it uses less digits than its factorization.

5543612642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771806323.

The product of its digits is 172800, while the sum is 38.

The square root of 5543612642 is about 74455.4406474100. The cubic root of 5543612642 is about 1769.8275808513.

The spelling of 5543612642 in words is "five billion, five hundred forty-three million, six hundred twelve thousand, six hundred forty-two".