65595956 has 6 divisors (see below), whose sum is σ = 114792930. Its totient is φ = 32797976.

The previous prime is 65595953. The next prime is 65595989. The reversal of 65595956 is 65959556.

It can be written as a sum of positive squares in only one way, i.e., 43824400 + 21771556 = 6620^2 + 4666^2 .

It is a super-5 number, since 5×65595956⁵ (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65595953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8199491 + ... + 8199498.

It is an arithmetic number, because the mean of its divisors is an integer number (19132155).

Almost surely, 2^65595956 is an apocalyptic number.

It is an amenable number.

65595956 is a deficient number, since it is larger than the sum of its proper divisors (49196974).

65595956 is a wasteful number, since it uses less digits than its factorization.

65595956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398993 (or 16398991 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 50.

The square root of 65595956 is about 8099.1330400235. The cubic root of 65595956 is about 403.2976474282.

The spelling of 65595956 in words is "sixty-five million, five hundred ninety-five thousand, nine hundred fifty-six".