57465389 has 4 divisors (see below), whose sum is σ = 60845724. Its totient is φ = 54085056.

The previous prime is 57465383. The next prime is 57465391. The reversal of 57465389 is 98356475.

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 30891364 + 26574025 = 5558^2 + 5155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57465389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57465383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690142 + ... + 1690175.

It is an arithmetic number, because the mean of its divisors is an integer number (15211431).

Almost surely, 2^57465389 is an apocalyptic number.

It is an amenable number.

57465389 is a deficient number, since it is larger than the sum of its proper divisors (3380335).

57465389 is a wasteful number, since it uses less digits than its factorization.

57465389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380334.

The product of its digits is 907200, while the sum is 47.

The square root of 57465389 is about 7580.5929187630. The cubic root of 57465389 is about 385.8946731335.

The spelling of 57465389 in words is "fifty-seven million, four hundred sixty-five thousand, three hundred eighty-nine".