65056650 has 96 divisors (see below), whose sum is σ = 170881920. Its totient is φ = 16346880.

The previous prime is 65056643. The next prime is 65056669. The reversal of 65056650 is 5665056.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 375964 + ... + 376136.

It is an arithmetic number, because the mean of its divisors is an integer number (1780020).

Almost surely, 2^65056650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65056650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85440960).

65056650 is an abundant number, since it is smaller than the sum of its proper divisors (105825270).

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

65056650 is a wasteful number, since it uses less digits than its factorization.

65056650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 65056650 is about 8065.7702669987. The cubic root of 65056650 is about 402.1893491794.

The spelling of 65056650 in words is "sixty-five million, fifty-six thousand, six hundred fifty".