105556857 has 16 divisors (see below), whose sum is σ = 160997760. Its totient is φ = 60262272.

The previous prime is 105556831. The next prime is 105556883. The reversal of 105556857 is 758655501.

It is an interprime number because it is at equal distance from previous prime (105556831) and next prime (105556883).

It is not a de Polignac number, because 105556857 - 2⁶ = 105556793 is a prime.

It is a super-2 number, since 2×105556857² = 22284500119436898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105554857) 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, 34069 + ... + 37037.

It is an arithmetic number, because the mean of its divisors is an integer number (10062360).

Almost surely, 2^105556857 is an apocalyptic number.

It is an amenable number.

105556857 is a deficient number, since it is larger than the sum of its proper divisors (55440903).

105556857 is a wasteful number, since it uses less digits than its factorization.

105556857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 210000, while the sum is 42.

The square root of 105556857 is about 10274.0866747366. The cubic root of 105556857 is about 472.6019219676.

The spelling of 105556857 in words is "one hundred five million, five hundred fifty-six thousand, eight hundred fifty-seven".