57771938 has 8 divisors (see below), whose sum is σ = 99037632. Its totient is φ = 24759396.

The previous prime is 57771937. The next prime is 57771943. The reversal of 57771938 is 83917775.

57771938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 57771892 and 57771901.

It is not an unprimeable number, because it can be changed into a prime (57771937) 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, 2063270 + ... + 2063297.

It is an arithmetic number, because the mean of its divisors is an integer number (12379704).

Almost surely, 2^57771938 is an apocalyptic number.

57771938 is a deficient number, since it is larger than the sum of its proper divisors (41265694).

57771938 is a wasteful number, since it uses less digits than its factorization.

57771938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126576.

The product of its digits is 370440, while the sum is 47.

The square root of 57771938 is about 7600.7853541591. The cubic root of 57771938 is about 386.5796413677.

The spelling of 57771938 in words is "fifty-seven million, seven hundred seventy-one thousand, nine hundred thirty-eight".