5005554981 has 32 divisors (see below), whose sum is σ = 7676325888. Its totient is φ = 2842067520.

The previous prime is 5005554973. The next prime is 5005555001. The reversal of 5005554981 is 1894555005.

It is a happy number.

It is not a de Polignac number, because 5005554981 - 2³ = 5005554973 is a prime.

It is a super-2 number, since 2×5005554981² = 50111161335627820722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005554941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4065636 + ... + 4066866.

It is an arithmetic number, because the mean of its divisors is an integer number (239885184).

Almost surely, 2^5005554981 is an apocalyptic number.

It is an amenable number.

5005554981 is a deficient number, since it is larger than the sum of its proper divisors (2670770907).

5005554981 is a wasteful number, since it uses less digits than its factorization.

5005554981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 5005554981 is about 70749.9468621709. The cubic root of 5005554981 is about 1710.6089712315.

The spelling of 5005554981 in words is "five billion, five million, five hundred fifty-four thousand, nine hundred eighty-one".