57545905 has 8 divisors (see below), whose sum is σ = 69249600. Its totient is φ = 45907056.

The previous prime is 57545881. The next prime is 57545921. The reversal of 57545905 is 50954575.

57545905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57545905 - 2¹³ = 57537713 is a prime.

It is an unprimeable number.

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, 14235 + ... + 17824.

It is an arithmetic number, because the mean of its divisors is an integer number (8656200).

Almost surely, 2^57545905 is an apocalyptic number.

It is an amenable number.

57545905 is a deficient number, since it is larger than the sum of its proper divisors (11703695).

57545905 is a wasteful number, since it uses less digits than its factorization.

57545905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32423.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 57545905 is about 7585.9017262287. The cubic root of 57545905 is about 386.0748174839.

The spelling of 57545905 in words is "fifty-seven million, five hundred forty-five thousand, nine hundred five".