57442006 has 8 divisors (see below), whose sum is σ = 87253920. Its totient is φ = 28357368.

The previous prime is 57442003. The next prime is 57442009. The reversal of 57442006 is 60024475.

It is an interprime number because it is at equal distance from previous prime (57442003) and next prime (57442009).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57442001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181621 + ... + 181936.

It is an arithmetic number, because the mean of its divisors is an integer number (10906740).

Almost surely, 2^57442006 is an apocalyptic number.

57442006 is a deficient number, since it is larger than the sum of its proper divisors (29811914).

57442006 is a wasteful number, since it uses less digits than its factorization.

57442006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363638.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 57442006 is about 7579.0504682315. The cubic root of 57442006 is about 385.8423251059.

It can be divided in two parts, 5744 and 2006, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 57442006 in words is "fifty-seven million, four hundred forty-two thousand, six".