57000039 has 4 divisors (see below), whose sum is σ = 76000056. Its totient is φ = 38000024.

The previous prime is 57000037. The next prime is 57000059. The reversal of 57000039 is 93000075.

57000039 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 57000039 - 2¹ = 57000037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56999982 and 57000018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57000037) 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, 9500004 + ... + 9500009.

It is an arithmetic number, because the mean of its divisors is an integer number (19000014).

Almost surely, 2^57000039 is an apocalyptic number.

57000039 is a deficient number, since it is larger than the sum of its proper divisors (19000017).

57000039 is a wasteful number, since it uses less digits than its factorization.

57000039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19000016.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 57000039 is about 7549.8370181084. The cubic root of 57000039 is about 384.8502009005.

The spelling of 57000039 in words is "fifty-seven million, thirty-nine", and thus it is an aban number and an uban number.