57066963 has 4 divisors (see below), whose sum is σ = 76089288. Its totient is φ = 38044640.

The previous prime is 57066959. The next prime is 57066967. The reversal of 57066963 is 36966075.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57066959) and next prime (57066967).

It is a cyclic number.

It is not a de Polignac number, because 57066963 - 2² = 57066959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57066967) 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, 9511158 + ... + 9511163.

It is an arithmetic number, because the mean of its divisors is an integer number (19022322).

Almost surely, 2^57066963 is an apocalyptic number.

57066963 is a deficient number, since it is larger than the sum of its proper divisors (19022325).

57066963 is a wasteful number, since it uses less digits than its factorization.

57066963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19022324.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 57066963 is about 7554.2678665771. The cubic root of 57066963 is about 385.0007601042. Note that the first 3 decimals are identical.

The spelling of 57066963 in words is "fifty-seven million, sixty-six thousand, nine hundred sixty-three".