57474308644 has 9 divisors (see below), whose sum is σ = 100580879217. Its totient is φ = 28736914584.

The previous prime is 57474308629. The next prime is 57474308651. The reversal of 57474308644 is 44680347475.

The square root of 57474308644 is 239738.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47192348644 + 10281960000 = 217238^2 + 101400^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57474308591 and 57474308600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 419542 + ... + 539410.

Almost surely, 2^57474308644 is an apocalyptic number.

57474308644 is the 239738-th square number.

It is an amenable number.

57474308644 is a deficient number, since it is larger than the sum of its proper divisors (43106570573).

57474308644 is an frugal number, since it uses more digits than its factorization.

57474308644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239742 (or 119871 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 52.

The spelling of 57474308644 in words is "fifty-seven billion, four hundred seventy-four million, three hundred eight thousand, six hundred forty-four".