57700039 has 2 divisors, whose sum is σ = 57700040. Its totient is φ = 57700038.

The previous prime is 57699991. The next prime is 57700051. The reversal of 57700039 is 93000775.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57700039 - 2¹⁹ = 57175751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57700439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28850019 + 28850020.

It is an arithmetic number, because the mean of its divisors is an integer number (28850020).

Almost surely, 2^57700039 is an apocalyptic number.

57700039 is a deficient number, since it is larger than the sum of its proper divisors (1).

57700039 is an equidigital number, since it uses as much as digits as its factorization.

57700039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 57700039 is about 7596.0541730559. The cubic root of 57700039 is about 386.4192046053.

The spelling of 57700039 in words is "fifty-seven million, seven hundred thousand, thirty-nine".