57003965 has 4 divisors (see below), whose sum is σ = 68404764. Its totient is φ = 45603168.

The previous prime is 57003953. The next prime is 57003967. The reversal of 57003965 is 56930075.

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 5924356 + 51079609 = 2434^2 + 7147^2 .

It is a cyclic number.

It is not a de Polignac number, because 57003965 - 2⁴ = 57003949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57003967) 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, 5700392 + ... + 5700401.

It is an arithmetic number, because the mean of its divisors is an integer number (17101191).

Almost surely, 2^57003965 is an apocalyptic number.

It is an amenable number.

57003965 is a deficient number, since it is larger than the sum of its proper divisors (11400799).

57003965 is a wasteful number, since it uses less digits than its factorization.

57003965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400798.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 57003965 is about 7550.0970192442. The cubic root of 57003965 is about 384.8590364921.

The spelling of 57003965 in words is "fifty-seven million, three thousand, nine hundred sixty-five".