57461984968 has 8 divisors (see below), whose sum is σ = 107741221830. Its totient is φ = 28730992480.

The previous prime is 57461984959. The next prime is 57461984969. The reversal of 57461984968 is 86948916475.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51664380804 + 5797604164 = 227298^2 + 76142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×57461984968² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57461984969) 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 as a sum of consecutive naturals, namely, 3591374053 + ... + 3591374068.

Almost surely, 2^57461984968 is an apocalyptic number.

It is an amenable number.

57461984968 is a deficient number, since it is larger than the sum of its proper divisors (50279236862).

57461984968 is a wasteful number, since it uses less digits than its factorization.

57461984968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182748127 (or 7182748123 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The spelling of 57461984968 in words is "fifty-seven billion, four hundred sixty-one million, nine hundred eighty-four thousand, nine hundred sixty-eight".