57544842 has 16 divisors (see below), whose sum is σ = 118200672. Its totient is φ = 18663120.

The previous prime is 57544841. The next prime is 57544859. The reversal of 57544842 is 24844575.

It is a super-2 number, since 2×57544842² = 6622817681609928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57544842.

It is not an unprimeable number, because it can be changed into a prime (57544841) 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, 129384 + ... + 129827.

It is an arithmetic number, because the mean of its divisors is an integer number (7387542).

Almost surely, 2^57544842 is an apocalyptic number.

57544842 is an abundant number, since it is smaller than the sum of its proper divisors (60655830).

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

57544842 is a wasteful number, since it uses less digits than its factorization.

57544842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259253.

The product of its digits is 179200, while the sum is 39.

The square root of 57544842 is about 7585.8316617231. The cubic root of 57544842 is about 386.0724402510.

The spelling of 57544842 in words is "fifty-seven million, five hundred forty-four thousand, eight hundred forty-two".