65968552 has 16 divisors (see below), whose sum is σ = 133205940. Its totient is φ = 30446976.

The previous prime is 65968547. The next prime is 65968561. The reversal of 65968552 is 25586956.

It can be written as a sum of positive squares in 2 ways, for example, as 62821476 + 3147076 = 7926^2 + 1774^2 .

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, 317053 + ... + 317260.

Almost surely, 2^65968552 is an apocalyptic number.

It is an amenable number.

65968552 is an abundant number, since it is smaller than the sum of its proper divisors (67237388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65968552 is a wasteful number, since it uses less digits than its factorization.

65968552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634332 (or 634328 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 65968552 is about 8122.1026834189. The cubic root of 65968552 is about 404.0598055436.

The spelling of 65968552 in words is "sixty-five million, nine hundred sixty-eight thousand, five hundred fifty-two".