57066345 has 48 divisors (see below), whose sum is σ = 116962560. Its totient is φ = 25183872.

The previous prime is 57066337. The next prime is 57066349. The reversal of 57066345 is 54366075.

It is not a de Polignac number, because 57066345 - 2³ = 57066337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57066349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6012 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (2436720).

Almost surely, 2^57066345 is an apocalyptic number.

It is an amenable number.

57066345 is an abundant number, since it is smaller than the sum of its proper divisors (59896215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57066345 is a wasteful number, since it uses less digits than its factorization.

57066345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6291 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 57066345 is about 7554.2269624363. The cubic root of 57066345 is about 384.9993703256. Note that the first 3 decimals are identical.

The spelling of 57066345 in words is "fifty-seven million, sixty-six thousand, three hundred forty-five".