52571716 has 6 divisors (see below), whose sum is σ = 92000510. Its totient is φ = 26285856.

The previous prime is 52571711. The next prime is 52571719. The reversal of 52571716 is 61717525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52562500 + 9216 = 7250^2 + 96^2 .

It is not an unprimeable number, because it can be changed into a prime (52571711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571461 + ... + 6571468.

Almost surely, 2^52571716 is an apocalyptic number.

It is an amenable number.

52571716 is a deficient number, since it is larger than the sum of its proper divisors (39428794).

52571716 is a wasteful number, since it uses less digits than its factorization.

52571716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13142933 (or 13142931 counting only the distinct ones).

The product of its digits is 14700, while the sum is 34.

The square root of 52571716 is about 7250.6355583494. The cubic root of 52571716 is about 374.6140408236.

The spelling of 52571716 in words is "fifty-two million, five hundred seventy-one thousand, seven hundred sixteen".