57186042 has 8 divisors (see below), whose sum is σ = 114372096. Its totient is φ = 19062012.

The previous prime is 57186013. The next prime is 57186049. The reversal of 57186042 is 24068175.

It is a sphenic number, since it is the product of 3 distinct primes.

57186042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 57185994 and 57186012.

It is not an unprimeable number, because it can be changed into a prime (57186049) 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, 4765498 + ... + 4765509.

It is an arithmetic number, because the mean of its divisors is an integer number (14296512).

Almost surely, 2^57186042 is an apocalyptic number.

57186042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57186042 is a wasteful number, since it uses less digits than its factorization.

57186042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531012.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 57186042 is about 7562.1453305263. The cubic root of 57186042 is about 385.2683618368.

The spelling of 57186042 in words is "fifty-seven million, one hundred eighty-six thousand, forty-two".