5520444981 has 16 divisors (see below), whose sum is σ = 7683548544. Its totient is φ = 3518941184.

The previous prime is 5520444953. The next prime is 5520444989. The reversal of 5520444981 is 1894440255.

It is a cyclic number.

It is not a de Polignac number, because 5520444981 - 2⁵ = 5520444949 is a prime.

It is a super-2 number, since 2×5520444981² = 60950625576496180722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520444989) 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, 186085 + ... + 213701.

It is an arithmetic number, because the mean of its divisors is an integer number (480221784).

Almost surely, 2^5520444981 is an apocalyptic number.

It is an amenable number.

5520444981 is a deficient number, since it is larger than the sum of its proper divisors (2163103563).

5520444981 is a wasteful number, since it uses less digits than its factorization.

5520444981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30540.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 5520444981 is about 74299.6970451428. The cubic root of 5520444981 is about 1767.3586723290.

The spelling of 5520444981 in words is "five billion, five hundred twenty million, four hundred forty-four thousand, nine hundred eighty-one".