57066342 has 32 divisors (see below), whose sum is σ = 117542880. Its totient is φ = 18458880.

The previous prime is 57066337. The next prime is 57066349. The reversal of 57066342 is 24366075.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 55828 + ... + 56840.

It is an arithmetic number, because the mean of its divisors is an integer number (3673215).

Almost surely, 2^57066342 is an apocalyptic number.

57066342 is an abundant number, since it is smaller than the sum of its proper divisors (60476538).

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

57066342 is a wasteful number, since it uses less digits than its factorization.

57066342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 57066342 is about 7554.2267638720. The cubic root of 57066342 is about 384.9993635791. Note that the first 3 decimals are identical.

The spelling of 57066342 in words is "fifty-seven million, sixty-six thousand, three hundred forty-two".