10557543 has 16 divisors (see below), whose sum is σ = 14555520. Its totient is φ = 6801696.

The previous prime is 10557539. The next prime is 10557553. The reversal of 10557543 is 34575501.

It is not a de Polignac number, because 10557543 - 2² = 10557539 is a prime.

It is a super-2 number, since 2×10557543² = 222923428393698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10557543.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24988 + ... + 25406.

It is an arithmetic number, because the mean of its divisors is an integer number (909720).

Almost surely, 2^10557543 is an apocalyptic number.

10557543 is a deficient number, since it is larger than the sum of its proper divisors (3997977).

10557543 is a wasteful number, since it uses less digits than its factorization.

10557543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 10557543 is about 3249.2372951202. The cubic root of 10557543 is about 219.3752454117.

The spelling of 10557543 in words is "ten million, five hundred fifty-seven thousand, five hundred forty-three".