57591442 has 16 divisors (see below), whose sum is σ = 88065792. Its totient is φ = 28239120.

The previous prime is 57591431. The next prime is 57591449. The reversal of 57591442 is 24419575.

It is not an unprimeable number, because it can be changed into a prime (57591449) 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, 66303 + ... + 67165.

It is an arithmetic number, because the mean of its divisors is an integer number (5504112).

Almost surely, 2^57591442 is an apocalyptic number.

57591442 is a deficient number, since it is larger than the sum of its proper divisors (30474350).

57591442 is a wasteful number, since it uses less digits than its factorization.

57591442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its digits is 50400, while the sum is 37.

The square root of 57591442 is about 7588.9025557059. The cubic root of 57591442 is about 386.1766263714.

The spelling of 57591442 in words is "fifty-seven million, five hundred ninety-one thousand, four hundred forty-two".