57747938 has 8 divisors (see below), whose sum is σ = 86982060. Its totient is φ = 28753920.

The previous prime is 57747931. The next prime is 57747941. The reversal of 57747938 is 83974775.

57747938 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 2 ways, for example, as 47100769 + 10647169 = 6863^2 + 3263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57747931) 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, 59423 + ... + 60386.

Almost surely, 2^57747938 is an apocalyptic number.

57747938 is a deficient number, since it is larger than the sum of its proper divisors (29234122).

57747938 is a wasteful number, since it uses less digits than its factorization.

57747938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120052.

The product of its digits is 1481760, while the sum is 50.

The square root of 57747938 is about 7599.2064059348. The cubic root of 57747938 is about 386.5261021306.

It can be divided in two parts, 57747 and 938, that added together give a palindrome (58685).

The spelling of 57747938 in words is "fifty-seven million, seven hundred forty-seven thousand, nine hundred thirty-eight".