57030273 has 6 divisors (see below), whose sum is σ = 82377074. Its totient is φ = 38020176.

The previous prime is 57030263. The next prime is 57030289. The reversal of 57030273 is 37203075.

It can be written as a sum of positive squares in only one way, i.e., 56655729 + 374544 = 7527^2 + 612^2 .

It is not a de Polignac number, because 57030273 - 2¹³ = 57022081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57030263) 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, 3168340 + ... + 3168357.

Almost surely, 2^57030273 is an apocalyptic number.

It is an amenable number.

57030273 is a deficient number, since it is larger than the sum of its proper divisors (25346801).

57030273 is a wasteful number, since it uses less digits than its factorization.

57030273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336703 (or 6336700 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57030273 is about 7551.8390475433. The cubic root of 57030273 is about 384.9182330430.

The spelling of 57030273 in words is "fifty-seven million, thirty thousand, two hundred seventy-three".