52669636 has 6 divisors (see below), whose sum is σ = 92171870. Its totient is φ = 26334816.

The previous prime is 52669607. The next prime is 52669637. The reversal of 52669636 is 63696625.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 10497600 = 6494^2 + 3240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52669592 and 52669601.

It is not an unprimeable number, because it can be changed into a prime (52669637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6583701 + ... + 6583708.

Almost surely, 2^52669636 is an apocalyptic number.

It is an amenable number.

52669636 is a deficient number, since it is larger than the sum of its proper divisors (39502234).

52669636 is a wasteful number, since it uses less digits than its factorization.

52669636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167413 (or 13167411 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 52669636 is about 7257.3849284711. The cubic root of 52669636 is about 374.8464817536.

The spelling of 52669636 in words is "fifty-two million, six hundred sixty-nine thousand, six hundred thirty-six".