10557559 has 4 divisors (see below), whose sum is σ = 11113240. Its totient is φ = 10001880.

The previous prime is 10557557. The next prime is 10557571. The reversal of 10557559 is 95575501.

10557559 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10557559 - 2¹ = 10557557 is a prime.

It is a super-2 number, since 2×10557559² = 222924104076962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557553) 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, 277812 + ... + 277849.

It is an arithmetic number, because the mean of its divisors is an integer number (2778310).

Almost surely, 2^10557559 is an apocalyptic number.

10557559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10557559 is a deficient number, since it is larger than the sum of its proper divisors (555681).

10557559 is an equidigital number, since it uses as much as digits as its factorization.

10557559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555680.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 10557559 is about 3249.2397572355. The cubic root of 10557559 is about 219.3753562330.

The spelling of 10557559 in words is "ten million, five hundred fifty-seven thousand, five hundred fifty-nine".