10557881 has 4 divisors (see below), whose sum is σ = 10595472. Its totient is φ = 10520292.

The previous prime is 10557871. The next prime is 10557893. The reversal of 10557881 is 18875501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18875501 = 829 ⋅22769.

It is a cyclic number.

It is not a de Polignac number, because 10557881 - 2¹⁴ = 10541497 is a prime.

It is a super-2 number, since 2×10557881² = 222937702420322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10557871) 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, 18371 + ... + 18936.

It is an arithmetic number, because the mean of its divisors is an integer number (2648868).

Almost surely, 2^10557881 is an apocalyptic number.

It is an amenable number.

10557881 is a deficient number, since it is larger than the sum of its proper divisors (37591).

10557881 is an equidigital number, since it uses as much as digits as its factorization.

10557881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37590.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 10557881 is about 3249.2893069101. The cubic root of 10557881 is about 219.3775864880.

The spelling of 10557881 in words is "ten million, five hundred fifty-seven thousand, eight hundred eighty-one".