5557906 has 8 divisors (see below), whose sum is σ = 8423100. Its totient is φ = 2750208.

The previous prime is 5557889. The next prime is 5557907. The reversal of 5557906 is 6097555.

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 11881 = 2355^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5557907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14131 + ... + 14518.

Almost surely, 2^5557906 is an apocalyptic number.

5557906 is a deficient number, since it is larger than the sum of its proper divisors (2865194).

5557906 is a wasteful number, since it uses less digits than its factorization.

5557906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28748.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 5557906 is about 2357.5211557905. The cubic root of 5557906 is about 177.1347352081.

The spelling of 5557906 in words is "five million, five hundred fifty-seven thousand, nine hundred six".