57544442 has 8 divisors (see below), whose sum is σ = 86401056. Its totient is φ = 28744092.

The previous prime is 57544429. The next prime is 57544451. The reversal of 57544442 is 24444575.

It is a happy number.

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

It is a super-2 number, since 2×57544442² = 6622725610182728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11408 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (10800132).

Almost surely, 2^57544442 is an apocalyptic number.

57544442 is a deficient number, since it is larger than the sum of its proper divisors (28856614).

57544442 is a wasteful number, since it uses less digits than its factorization.

57544442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132.

The product of its digits is 89600, while the sum is 35.

The square root of 57544442 is about 7585.8052967368. The cubic root of 57544442 is about 386.0715457061.

The spelling of 57544442 in words is "fifty-seven million, five hundred forty-four thousand, four hundred forty-two".