52640105 has 16 divisors (see below), whose sum is σ = 73954944. Its totient is φ = 35214720.

The previous prime is 52640101. The next prime is 52640129. The reversal of 52640105 is 50104625.

52640105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52640105 - 2² = 52640101 is a prime.

It is a super-2 number, since 2×52640105² = 5541961308822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52640101) 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 15 ways as a sum of consecutive naturals, for example, 16907 + ... + 19776.

It is an arithmetic number, because the mean of its divisors is an integer number (4622184).

Almost surely, 2^52640105 is an apocalyptic number.

It is an amenable number.

52640105 is a deficient number, since it is larger than the sum of its proper divisors (21314839).

52640105 is a wasteful number, since it uses less digits than its factorization.

52640105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36736.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52640105 is about 7255.3500949299. The cubic root of 52640105 is about 374.7764119006.

The spelling of 52640105 in words is "fifty-two million, six hundred forty thousand, one hundred five".