57045605 has 4 divisors (see below), whose sum is σ = 68454732. Its totient is φ = 45636480.

The previous prime is 57045587. The next prime is 57045607. The reversal of 57045605 is 50654075.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43744996 + 13300609 = 6614^2 + 3647^2 .

It is a de Polignac number, because none of the positive numbers 2^k-57045605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57045607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704556 + ... + 5704565.

It is an arithmetic number, because the mean of its divisors is an integer number (17113683).

Almost surely, 2^57045605 is an apocalyptic number.

It is an amenable number.

57045605 is a deficient number, since it is larger than the sum of its proper divisors (11409127).

57045605 is a wasteful number, since it uses less digits than its factorization.

57045605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11409126.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57045605 is about 7552.8540963003. The cubic root of 57045605 is about 384.9527237165.

The spelling of 57045605 in words is "fifty-seven million, forty-five thousand, six hundred five".