5497557944 has 8 divisors (see below), whose sum is σ = 10307921160. Its totient is φ = 2748778968.

The previous prime is 5497557883. The next prime is 5497557997. The reversal of 5497557944 is 4497557945.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343597364 + ... + 343597379.

It is an arithmetic number, because the mean of its divisors is an integer number (1288490145).

Almost surely, 2^5497557944 is an apocalyptic number.

It is an amenable number.

5497557944 is a deficient number, since it is larger than the sum of its proper divisors (4810363216).

5497557944 is a wasteful number, since it uses less digits than its factorization.

5497557944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687194749 (or 687194745 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 59.

The square root of 5497557944 is about 74145.5187047741. The cubic root of 5497557944 is about 1764.9128772196.

Subtracting from 5497557944 its reverse (4497557945), we obtain a palindrome (999999999).

The spelling of 5497557944 in words is "five billion, four hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred forty-four".