57403265 has 4 divisors (see below), whose sum is σ = 68883924. Its totient is φ = 45922608.

The previous prime is 57403231. The next prime is 57403277. The reversal of 57403265 is 56230475.

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 33500944 + 23902321 = 5788^2 + 4889^2 .

It is a cyclic number.

It is not a de Polignac number, because 57403265 - 2²⁰ = 56354689 is a prime.

It is a Duffinian number.

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, 5740322 + ... + 5740331.

It is an arithmetic number, because the mean of its divisors is an integer number (17220981).

Almost surely, 2^57403265 is an apocalyptic number.

It is an amenable number.

57403265 is a deficient number, since it is larger than the sum of its proper divisors (11480659).

57403265 is a wasteful number, since it uses less digits than its factorization.

57403265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480658.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57403265 is about 7576.4942420621. The cubic root of 57403265 is about 385.7555635163.

The spelling of 57403265 in words is "fifty-seven million, four hundred three thousand, two hundred sixty-five".