10557447 has 8 divisors (see below), whose sum is σ = 14235120. Its totient is φ = 6959040.

The previous prime is 10557439. The next prime is 10557461. The reversal of 10557447 is 74475501.

10557447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10557447 - 2³ = 10557439 is a prime.

It is a super-2 number, since 2×10557447² = 222919374315618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19504 + ... + 20037.

It is an arithmetic number, because the mean of its divisors is an integer number (1779390).

Almost surely, 2^10557447 is an apocalyptic number.

10557447 is a deficient number, since it is larger than the sum of its proper divisors (3677673).

10557447 is an equidigital number, since it uses as much as digits as its factorization.

10557447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39633.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 10557447 is about 3249.2225223890. Note that the first 3 decimals coincide. The cubic root of 10557447 is about 219.3745804815.

The spelling of 10557447 in words is "ten million, five hundred fifty-seven thousand, four hundred forty-seven".