57063913 has 4 divisors (see below), whose sum is σ = 57112020. Its totient is φ = 57015808.

The previous prime is 57063893. The next prime is 57063931. The reversal of 57063913 is 31936075.

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 23736384 + 33327529 = 4872^2 + 5773^2 .

It is a cyclic number.

It is not a de Polignac number, because 57063913 - 2¹³ = 57055721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57063313) 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, 22228 + ... + 24661.

It is an arithmetic number, because the mean of its divisors is an integer number (14278005).

Almost surely, 2^57063913 is an apocalyptic number.

It is an amenable number.

57063913 is a deficient number, since it is larger than the sum of its proper divisors (48107).

57063913 is a wasteful number, since it uses less digits than its factorization.

57063913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48106.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 57063913 is about 7554.0659912394. The cubic root of 57063913 is about 384.9939010672.

Adding to 57063913 its reverse (31936075), we get a palindrome (88999988).

The spelling of 57063913 in words is "fifty-seven million, sixty-three thousand, nine hundred thirteen".