5447557 has 4 divisors (see below), whose sum is σ = 5477836. Its totient is φ = 5417280.

The previous prime is 5447543. The next prime is 5447579. The reversal of 5447557 is 7557445.

5447557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2334²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 5387041 = 246^2 + 2321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5447557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447587) 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, 14868 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (1369459).

Almost surely, 2^5447557 is an apocalyptic number.

It is an amenable number.

5447557 is a deficient number, since it is larger than the sum of its proper divisors (30279).

5447557 is a wasteful number, since it uses less digits than its factorization.

5447557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278.

The product of its digits is 98000, while the sum is 37.

The square root of 5447557 is about 2334.0002142245. Note that the first 3 decimals coincide. The cubic root of 5447557 is about 175.9545875431.

The spelling of 5447557 in words is "five million, four hundred forty-seven thousand, five hundred fifty-seven".