65646052 has 6 divisors (see below), whose sum is σ = 114880598. Its totient is φ = 32823024.

The previous prime is 65646047. The next prime is 65646073. The reversal of 65646052 is 25064656.

It can be written as a sum of positive squares in only one way, i.e., 51926436 + 13719616 = 7206^2 + 3704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65645999 and 65646017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8205753 + ... + 8205760.

Almost surely, 2^65646052 is an apocalyptic number.

It is an amenable number.

65646052 is a deficient number, since it is larger than the sum of its proper divisors (49234546).

65646052 is a wasteful number, since it uses less digits than its factorization.

65646052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411517 (or 16411515 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 65646052 is about 8102.2251264699. The cubic root of 65646052 is about 403.4002881963.

The spelling of 65646052 in words is "sixty-five million, six hundred forty-six thousand, fifty-two".