57945073 has 6 divisors (see below), whose sum is σ = 60574514. Its totient is φ = 55425216.

The previous prime is 57945067. The next prime is 57945077. The reversal of 57945073 is 37054975.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 685584 = 7567^2 + 828^2 .

It is not a de Polignac number, because 57945073 - 2²¹ = 55847921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57945077) 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, 54240 + ... + 55297.

Almost surely, 2^57945073 is an apocalyptic number.

It is an amenable number.

57945073 is a deficient number, since it is larger than the sum of its proper divisors (2629441).

57945073 is a wasteful number, since it uses less digits than its factorization.

57945073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109583 (or 109560 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 57945073 is about 7612.1661174727. The cubic root of 57945073 is about 386.9654325723.

The spelling of 57945073 in words is "fifty-seven million, nine hundred forty-five thousand, seventy-three".