39750057 has 6 divisors (see below), whose sum is σ = 57416762. Its totient is φ = 26500032.

The previous prime is 39750047. The next prime is 39750059. The reversal of 39750057 is 75005793.

39750057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 9511056 = 5499^2 + 3084^2 .

It is not a de Polignac number, because 39750057 - 2²² = 35555753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39750059) 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 5 ways as a sum of consecutive naturals, for example, 2208328 + ... + 2208345.

Almost surely, 2^39750057 is an apocalyptic number.

It is an amenable number.

39750057 is a deficient number, since it is larger than the sum of its proper divisors (17666705).

39750057 is a wasteful number, since it uses less digits than its factorization.

39750057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416679 (or 4416676 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 39750057 is about 6304.7646268517. The cubic root of 39750057 is about 341.2813729559.

The spelling of 39750057 in words is "thirty-nine million, seven hundred fifty thousand, fifty-seven".