5557981919 has 8 divisors (see below), whose sum is σ = 6354385920. Its totient is φ = 4762179576.

The previous prime is 5557981903. The next prime is 5557981931. The reversal of 5557981919 is 9191897555.

5557981919 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5557981919 - 2⁴ = 5557981903 is a prime.

It is a super-2 number, since 2×5557981919² = 61782326023861845122, 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 (5557981939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130439 + ... + 167720.

It is an arithmetic number, because the mean of its divisors is an integer number (794298240).

Almost surely, 2^5557981919 is an apocalyptic number.

5557981919 is a deficient number, since it is larger than the sum of its proper divisors (796404001).

5557981919 is a wasteful number, since it uses less digits than its factorization.

5557981919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300829.

The product of its digits is 5103000, while the sum is 59.

The square root of 5557981919 is about 74551.8740140045. The cubic root of 5557981919 is about 1771.3554173673.

The spelling of 5557981919 in words is "five billion, five hundred fifty-seven million, nine hundred eighty-one thousand, nine hundred nineteen".