57308434 has 4 divisors (see below), whose sum is σ = 85962654. Its totient is φ = 28654216.

The previous prime is 57308413. The next prime is 57308441. The reversal of 57308434 is 43480375.

It is a happy number.

57308434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 1432809 = 7475^2 + 1197^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57308434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327107 + ... + 14327110.

Almost surely, 2^57308434 is an apocalyptic number.

57308434 is a deficient number, since it is larger than the sum of its proper divisors (28654220).

57308434 is a wasteful number, since it uses less digits than its factorization.

57308434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28654219.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 57308434 is about 7570.2334178016. The cubic root of 57308434 is about 385.5430218965.

The spelling of 57308434 in words is "fifty-seven million, three hundred eight thousand, four hundred thirty-four".