65056636 has 12 divisors (see below), whose sum is σ = 114135840. Its totient is φ = 32446400.

The previous prime is 65056613. The next prime is 65056643. The reversal of 65056636 is 63665056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65056595 and 65056604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18676 + ... + 21883.

It is an arithmetic number, because the mean of its divisors is an integer number (9511320).

Almost surely, 2^65056636 is an apocalyptic number.

It is an amenable number.

65056636 is a deficient number, since it is larger than the sum of its proper divisors (49079204).

65056636 is a wasteful number, since it uses less digits than its factorization.

65056636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40964 (or 40962 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 65056636 is about 8065.7693991336. The cubic root of 65056636 is about 402.1893203294.

The spelling of 65056636 in words is "sixty-five million, fifty-six thousand, six hundred thirty-six".