57147346 has 4 divisors (see below), whose sum is σ = 85721022. Its totient is φ = 28573672.

The previous prime is 57147329. The next prime is 57147367. The reversal of 57147346 is 64374175.

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., 37884025 + 19263321 = 6155^2 + 4389^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286835 + ... + 14286838.

Almost surely, 2^57147346 is an apocalyptic number.

57147346 is a deficient number, since it is larger than the sum of its proper divisors (28573676).

57147346 is a wasteful number, since it uses less digits than its factorization.

57147346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28573675.

The product of its digits is 70560, while the sum is 37.

The square root of 57147346 is about 7559.5863643456. The cubic root of 57147346 is about 385.1814425587.

The spelling of 57147346 in words is "fifty-seven million, one hundred forty-seven thousand, three hundred forty-six".