57049187 has 8 divisors (see below), whose sum is σ = 61575696. Its totient is φ = 52542432.

The previous prime is 57049141. The next prime is 57049193. The reversal of 57049187 is 78194075.

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

It is a cyclic number.

It is not a de Polignac number, because 57049187 - 2⁶ = 57049123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57049087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 10769.

It is an arithmetic number, because the mean of its divisors is an integer number (7696962).

Almost surely, 2^57049187 is an apocalyptic number.

57049187 is a deficient number, since it is larger than the sum of its proper divisors (4526509).

57049187 is a wasteful number, since it uses less digits than its factorization.

57049187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 57049187 is about 7553.0912214801. The cubic root of 57049187 is about 384.9607808478.

The spelling of 57049187 in words is "fifty-seven million, forty-nine thousand, one hundred eighty-seven".