57287434 has 8 divisors (see below), whose sum is σ = 89667360. Its totient is φ = 27398316.

The previous prime is 57287429. The next prime is 57287443. The reversal of 57287434 is 43478275.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622644 + ... + 622735.

It is an arithmetic number, because the mean of its divisors is an integer number (11208420).

Almost surely, 2^57287434 is an apocalyptic number.

57287434 is a deficient number, since it is larger than the sum of its proper divisors (32379926).

57287434 is a wasteful number, since it uses less digits than its factorization.

57287434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245404.

The product of its digits is 188160, while the sum is 40.

The square root of 57287434 is about 7568.8462793216. The cubic root of 57287434 is about 385.4959235781.

The spelling of 57287434 in words is "fifty-seven million, two hundred eighty-seven thousand, four hundred thirty-four".