5577444447 has 4 divisors (see below), whose sum is σ = 7436592600. Its totient is φ = 3718296296.

The previous prime is 5577444427. The next prime is 5577444449. The reversal of 5577444447 is 7444447755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5577444447 is a prime.

It is a super-2 number, since 2×5577444447² = 62215773118742271618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5577444447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5577444449) 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, 929574072 + ... + 929574077.

It is an arithmetic number, because the mean of its divisors is an integer number (1859148150).

Almost surely, 2^5577444447 is an apocalyptic number.

5577444447 is a deficient number, since it is larger than the sum of its proper divisors (1859148153).

5577444447 is a wasteful number, since it uses less digits than its factorization.

5577444447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859148152.

The product of its digits is 8780800, while the sum is 51.

The square root of 5577444447 is about 74682.2900492480. The cubic root of 5577444447 is about 1773.4206089113.

The spelling of 5577444447 in words is "five billion, five hundred seventy-seven million, four hundred forty-four thousand, four hundred forty-seven".