57065057 has 6 divisors (see below), whose sum is σ = 66381858. Its totient is φ = 48912864.

The previous prime is 57065033. The next prime is 57065077. The reversal of 57065057 is 75056075.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 7376656 = 7049^2 + 2716^2 .

It is not a de Polignac number, because 57065057 - 2⁶ = 57064993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57065027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 582248 + ... + 582345.

It is an arithmetic number, because the mean of its divisors is an integer number (11063643).

Almost surely, 2^57065057 is an apocalyptic number.

It is an amenable number.

57065057 is a deficient number, since it is larger than the sum of its proper divisors (9316801).

57065057 is a wasteful number, since it uses less digits than its factorization.

57065057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164607 (or 1164600 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 57065057 is about 7554.1417116705. The cubic root of 57065057 is about 384.9964737969.

The spelling of 57065057 in words is "fifty-seven million, sixty-five thousand, fifty-seven".