10557885 has 32 divisors (see below), whose sum is σ = 18829440. Its totient is φ = 5015808.

The previous prime is 10557871. The next prime is 10557893. The reversal of 10557885 is 58875501.

10557885 = 218² + 219² + ... + 347².

10557885 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10557885 - 2⁹ = 10557373 is a prime.

It is a super-2 number, since 2×10557885² = 222937871346450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4722 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (588420).

Almost surely, 2^10557885 is an apocalyptic number.

10557885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10557885 is a deficient number, since it is larger than the sum of its proper divisors (8271555).

10557885 is a wasteful number, since it uses less digits than its factorization.

10557885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 10557885 is about 3249.2899224292. The cubic root of 10557885 is about 219.3776141928.

The spelling of 10557885 in words is "ten million, five hundred fifty-seven thousand, eight hundred eighty-five".