57643430 has 32 divisors (see below), whose sum is σ = 118317024. Its totient is φ = 20030976.

The previous prime is 57643403. The next prime is 57643433. The reversal of 57643430 is 3434675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10832 + ... + 15251.

It is an arithmetic number, because the mean of its divisors is an integer number (3697407).

Almost surely, 2^57643430 is an apocalyptic number.

57643430 is an abundant number, since it is smaller than the sum of its proper divisors (60673594).

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

57643430 is a wasteful number, since it uses less digits than its factorization.

57643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 57643430 is about 7592.3270477502. The cubic root of 57643430 is about 386.2927924297.

The spelling of 57643430 in words is "fifty-seven million, six hundred forty-three thousand, four hundred thirty".