57047735 has 4 divisors (see below), whose sum is σ = 68457288. Its totient is φ = 45638184.

The previous prime is 57047651. The next prime is 57047743. The reversal of 57047735 is 53774075.

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

It is a cyclic number.

It is not a de Polignac number, because 57047735 - 2¹⁸ = 56785591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704769 + ... + 5704778.

It is an arithmetic number, because the mean of its divisors is an integer number (17114322).

Almost surely, 2^57047735 is an apocalyptic number.

57047735 is a deficient number, since it is larger than the sum of its proper divisors (11409553).

57047735 is a wasteful number, since it uses less digits than its factorization.

57047735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409552.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 57047735 is about 7552.9951012827. The cubic root of 57047735 is about 384.9575148486.

The spelling of 57047735 in words is "fifty-seven million, forty-seven thousand, seven hundred thirty-five".