57125545 has 4 divisors (see below), whose sum is σ = 68550660. Its totient is φ = 45700432.

The previous prime is 57125527. The next prime is 57125567. The reversal of 57125545 is 54552175.

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 16216729 + 40908816 = 4027^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 57125545 - 2⁷ = 57125417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57125545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5712550 + ... + 5712559.

It is an arithmetic number, because the mean of its divisors is an integer number (17137665).

Almost surely, 2^57125545 is an apocalyptic number.

It is an amenable number.

57125545 is a deficient number, since it is larger than the sum of its proper divisors (11425115).

57125545 is a wasteful number, since it uses less digits than its factorization.

57125545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11425114.

The product of its digits is 35000, while the sum is 34.

The square root of 57125545 is about 7558.1442828250. The cubic root of 57125545 is about 385.1324556896.

The spelling of 57125545 in words is "fifty-seven million, one hundred twenty-five thousand, five hundred forty-five".