57144039 has 8 divisors (see below), whose sum is σ = 80202240. Its totient is φ = 36090936.

The previous prime is 57144011. The next prime is 57144047. The reversal of 57144039 is 93044175.

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

It is not a de Polignac number, because 57144039 - 2¹⁹ = 56619751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57144049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501207 + ... + 501320.

It is an arithmetic number, because the mean of its divisors is an integer number (10025280).

Almost surely, 2^57144039 is an apocalyptic number.

57144039 is a deficient number, since it is larger than the sum of its proper divisors (23058201).

57144039 is a wasteful number, since it uses less digits than its factorization.

57144039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002549.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57144039 is about 7559.3676322825. The cubic root of 57144039 is about 385.1740125281.

The spelling of 57144039 in words is "fifty-seven million, one hundred forty-four thousand, thirty-nine".