10555657 has 16 divisors (see below), whose sum is σ = 12908160. Its totient is φ = 8425728.

The previous prime is 10555627. The next prime is 10555673. The reversal of 10555657 is 75655501.

It is a cyclic number.

It is not a de Polignac number, because 10555657 - 2¹⁹ = 10031369 is a prime.

It is a super-2 number, since 2×10555657² = 222843789403298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10555627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12319 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (806760).

Almost surely, 2^10555657 is an apocalyptic number.

10555657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10555657 is a deficient number, since it is larger than the sum of its proper divisors (2352503).

10555657 is a wasteful number, since it uses less digits than its factorization.

10555657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 10555657 is about 3248.9470602027. The cubic root of 10555657 is about 219.3621815656.

The spelling of 10555657 in words is "ten million, five hundred fifty-five thousand, six hundred fifty-seven".