57023047 has 4 divisors (see below), whose sum is σ = 60024280. Its totient is φ = 54021816.

The previous prime is 57023039. The next prime is 57023051. The reversal of 57023047 is 74032075.

57023047 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 is a cyclic number.

It is not a de Polignac number, because 57023047 - 2³ = 57023039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57023347) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1500588 + ... + 1500625.

It is an arithmetic number, because the mean of its divisors is an integer number (15006070).

Almost surely, 2^57023047 is an apocalyptic number.

57023047 is a deficient number, since it is larger than the sum of its proper divisors (3001233).

57023047 is a wasteful number, since it uses less digits than its factorization.

57023047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001232.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 57023047 is about 7551.3606058776. The cubic root of 57023047 is about 384.9019753815.

Subtracting 57023047 from its reverse (74032075), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 57023047 in words is "fifty-seven million, twenty-three thousand, forty-seven".