57643458 has 16 divisors (see below), whose sum is σ = 118099296. Its totient is φ = 18745760.

The previous prime is 57643457. The next prime is 57643459. The reversal of 57643458 is 85434675.

It is an interprime number because it is at equal distance from previous prime (57643457) and next prime (57643459).

It is not an unprimeable number, because it can be changed into a prime (57643457) 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, 116916 + ... + 117407.

It is an arithmetic number, because the mean of its divisors is an integer number (7381206).

Almost surely, 2^57643458 is an apocalyptic number.

57643458 is an abundant number, since it is smaller than the sum of its proper divisors (60455838).

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

57643458 is a wasteful number, since it uses less digits than its factorization.

57643458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234369.

The product of its digits is 403200, while the sum is 42.

The square root of 57643458 is about 7592.3288917170. The cubic root of 57643458 is about 386.2928549763.

The spelling of 57643458 in words is "fifty-seven million, six hundred forty-three thousand, four hundred fifty-eight".