57716644625 has 32 divisors (see below), whose sum is σ = 75351837600. Its totient is φ = 44079974400.

The previous prime is 57716644621. The next prime is 57716644637. The reversal of 57716644625 is 52644661775.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 54977587729 + 2739056896 = 234473^2 + 52336^2 .

It is not a de Polignac number, because 57716644625 - 2² = 57716644621 is a prime.

It is a super-2 number, since 2×57716644625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57716644621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233177 + ... + 412073.

It is an arithmetic number, because the mean of its divisors is an integer number (2354744925).

Almost surely, 2^57716644625 is an apocalyptic number.

It is an amenable number.

57716644625 is a deficient number, since it is larger than the sum of its proper divisors (17635192975).

57716644625 is a wasteful number, since it uses less digits than its factorization.

57716644625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179030 (or 179020 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 53.

The spelling of 57716644625 in words is "fifty-seven billion, seven hundred sixteen million, six hundred forty-four thousand, six hundred twenty-five".