57063893 has 2 divisors, whose sum is σ = 57063894. Its totient is φ = 57063892.

The previous prime is 57063887. The next prime is 57063931. The reversal of 57063893 is 39836075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46553329 + 10510564 = 6823^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 57063893 - 2⁶ = 57063829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57063893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57062893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28531946 + 28531947.

It is an arithmetic number, because the mean of its divisors is an integer number (28531947).

Almost surely, 2^57063893 is an apocalyptic number.

It is an amenable number.

57063893 is a deficient number, since it is larger than the sum of its proper divisors (1).

57063893 is an equidigital number, since it uses as much as digits as its factorization.

57063893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 57063893 is about 7554.0646674489. The cubic root of 57063893 is about 384.9938560891.

The spelling of 57063893 in words is "fifty-seven million, sixty-three thousand, eight hundred ninety-three".