5439557 has 4 divisors (see below), whose sum is σ = 5493516. Its totient is φ = 5385600.

The previous prime is 5439547. The next prime is 5439563. The reversal of 5439557 is 7559345.

It is a happy number.

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 3587236 + 1852321 = 1894^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 5439557 - 2¹⁶ = 5374021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5439557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26828 + ... + 27029.

It is an arithmetic number, because the mean of its divisors is an integer number (1373379).

Almost surely, 2^5439557 is an apocalyptic number.

It is an amenable number.

5439557 is a deficient number, since it is larger than the sum of its proper divisors (53959).

5439557 is a wasteful number, since it uses less digits than its factorization.

5439557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53958.

The product of its digits is 94500, while the sum is 38.

The square root of 5439557 is about 2332.2857886631. The cubic root of 5439557 is about 175.8684127480.

The spelling of 5439557 in words is "five million, four hundred thirty-nine thousand, five hundred fifty-seven".