57020039 has 2 divisors, whose sum is σ = 57020040. Its totient is φ = 57020038.

The previous prime is 57020027. The next prime is 57020099. The reversal of 57020039 is 93002075.

57020039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57020039 - 2¹⁶ = 56954503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57020099) 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 as a sum of consecutive naturals, namely, 28510019 + 28510020.

It is an arithmetic number, because the mean of its divisors is an integer number (28510020).

Almost surely, 2^57020039 is an apocalyptic number.

57020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

57020039 is an equidigital number, since it uses as much as digits as its factorization.

57020039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 57020039 is about 7551.1614338458. The cubic root of 57020039 is about 384.8952073256.

The spelling of 57020039 in words is "fifty-seven million, twenty thousand, thirty-nine".