57567013648 has 20 divisors (see below), whose sum is σ = 111742272268. Its totient is φ = 28730298240.

The previous prime is 57567013613. The next prime is 57567013681. The reversal of 57567013648 is 84631076575.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45176652304 + 12390361344 = 212548^2 + 111312^2 .

It is a super-2 number, since 2×57567013648² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57567013595 and 57567013604.

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 3 ways as a sum of consecutive naturals, for example, 3316611 + ... + 3333922.

Almost surely, 2^57567013648 is an apocalyptic number.

It is an amenable number.

57567013648 is a deficient number, since it is larger than the sum of its proper divisors (54175258620).

57567013648 is a wasteful number, since it uses less digits than its factorization.

57567013648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651082 (or 6651076 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 57567013648 in words is "fifty-seven billion, five hundred sixty-seven million, thirteen thousand, six hundred forty-eight".