10557944 has 8 divisors (see below), whose sum is σ = 19796160. Its totient is φ = 5278968.

The previous prime is 10557931. The next prime is 10557947. The reversal of 10557944 is 44975501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10557944² = 222940363014272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557947) 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 as a sum of consecutive naturals, namely, 659864 + ... + 659879.

It is an arithmetic number, because the mean of its divisors is an integer number (2474520).

Almost surely, 2^10557944 is an apocalyptic number.

It is an amenable number.

10557944 is a deficient number, since it is larger than the sum of its proper divisors (9238216).

10557944 is a wasteful number, since it uses less digits than its factorization.

10557944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319749 (or 1319745 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 10557944 is about 3249.2990013232. The cubic root of 10557944 is about 219.3780228369.

The spelling of 10557944 in words is "ten million, five hundred fifty-seven thousand, nine hundred forty-four".