10640055 has 8 divisors (see below), whose sum is σ = 17024112. Its totient is φ = 5674688.

The previous prime is 10640051. The next prime is 10640087. The reversal of 10640055 is 55004601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10640055 - 2² = 10640051 is a prime.

It is a super-2 number, since 2×10640055² = 226421540806050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354654 + ... + 354683.

It is an arithmetic number, because the mean of its divisors is an integer number (2128014).

Almost surely, 2^10640055 is an apocalyptic number.

10640055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10640055 is a deficient number, since it is larger than the sum of its proper divisors (6384057).

10640055 is an equidigital number, since it uses as much as digits as its factorization.

10640055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709345.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 10640055 is about 3261.9097167150. The cubic root of 10640055 is about 219.9452687543.

Adding to 10640055 its reverse (55004601), we get a palindrome (65644656).

The spelling of 10640055 in words is "ten million, six hundred forty thousand, fifty-five".