57147433 has 8 divisors (see below), whose sum is σ = 68151168. Its totient is φ = 46853664.

The previous prime is 57147413. The next prime is 57147437. The reversal of 57147433 is 33474175.

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

It is a cyclic number.

It is not a de Polignac number, because 57147433 - 2⁵ = 57147401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57147437) 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, 177316 + ... + 177637.

It is an arithmetic number, because the mean of its divisors is an integer number (8518896).

Almost surely, 2^57147433 is an apocalyptic number.

It is an amenable number.

57147433 is a deficient number, since it is larger than the sum of its proper divisors (11003735).

57147433 is a wasteful number, since it uses less digits than its factorization.

57147433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354983.

The product of its digits is 35280, while the sum is 34.

The square root of 57147433 is about 7559.5921186265. The cubic root of 57147433 is about 385.1816380229.

The spelling of 57147433 in words is "fifty-seven million, one hundred forty-seven thousand, four hundred thirty-three".