65956532 has 24 divisors (see below), whose sum is σ = 122467464. Its totient is φ = 30973952.

The previous prime is 65956529. The next prime is 65956559. The reversal of 65956532 is 23565956.

It can be written as a sum of positive squares in 4 ways, for example, as 12432676 + 53523856 = 3526^2 + 7316^2 .

It is a super-2 number, since 2×65956532² = 8700528226934048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65956532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53588 + ... + 54804.

It is an arithmetic number, because the mean of its divisors is an integer number (5102811).

Almost surely, 2^65956532 is an apocalyptic number.

It is an amenable number.

65956532 is a deficient number, since it is larger than the sum of its proper divisors (56510932).

65956532 is a wasteful number, since it uses less digits than its factorization.

65956532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2033 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The square root of 65956532 is about 8121.3626935386. The cubic root of 65956532 is about 404.0352630724.

The spelling of 65956532 in words is "sixty-five million, nine hundred fifty-six thousand, five hundred thirty-two".