57561105 has 16 divisors (see below), whose sum is σ = 105254784. Its totient is φ = 26313600.

The previous prime is 57561083. The next prime is 57561109. The reversal of 57561105 is 50116575.

It is not a de Polignac number, because 57561105 - 2⁷ = 57560977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57561109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273996 + ... + 274205.

It is an arithmetic number, because the mean of its divisors is an integer number (6578424).

Almost surely, 2^57561105 is an apocalyptic number.

It is an amenable number.

57561105 is a deficient number, since it is larger than the sum of its proper divisors (47693679).

57561105 is a wasteful number, since it uses less digits than its factorization.

57561105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548216.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 57561105 is about 7586.9035185641. The cubic root of 57561105 is about 386.1088067001.

The spelling of 57561105 in words is "fifty-seven million, five hundred sixty-one thousand, one hundred five".