5445557 has 4 divisors (see below), whose sum is σ = 5864460. Its totient is φ = 5026656.

The previous prime is 5445541. The next prime is 5445577. The reversal of 5445557 is 7555445.

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 579121 + 4866436 = 761^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445557 - 2⁴ = 5445541 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 (5445527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209432 + ... + 209457.

It is an arithmetic number, because the mean of its divisors is an integer number (1466115).

Almost surely, 2^5445557 is an apocalyptic number.

It is an amenable number.

5445557 is a deficient number, since it is larger than the sum of its proper divisors (418903).

5445557 is a wasteful number, since it uses less digits than its factorization.

5445557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418902.

The product of its digits is 70000, while the sum is 35.

The square root of 5445557 is about 2333.5717259172. The cubic root of 5445557 is about 175.9330517580.

The spelling of 5445557 in words is "five million, four hundred forty-five thousand, five hundred fifty-seven".