5579527981 has 4 divisors (see below), whose sum is σ = 5579719264. Its totient is φ = 5579336700.

The previous prime is 5579527939. The next prime is 5579527991. The reversal of 5579527981 is 1897259755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5579527981 - 2⁹ = 5579527469 is a prime.

It is a super-2 number, since 2×5579527981² = 62262264981523872722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579527991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41775 + ... + 113596.

It is an arithmetic number, because the mean of its divisors is an integer number (1394929816).

Almost surely, 2^5579527981 is an apocalyptic number.

It is an amenable number.

5579527981 is a deficient number, since it is larger than the sum of its proper divisors (191283).

5579527981 is a wasteful number, since it uses less digits than its factorization.

5579527981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191282.

The product of its digits is 7938000, while the sum is 58.

The square root of 5579527981 is about 74696.2380645773. The cubic root of 5579527981 is about 1773.6414102814.

The spelling of 5579527981 in words is "five billion, five hundred seventy-nine million, five hundred twenty-seven thousand, nine hundred eighty-one".