65560950 has 144 divisors (see below), whose sum is σ = 216923616. Its totient is φ = 13824000.

The previous prime is 65560931. The next prime is 65560973. The reversal of 65560950 is 5906556.

65560950 is a `hidden beast` number, since 6 + 5 + 560 + 95 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40150 + ... + 41750.

It is an arithmetic number, because the mean of its divisors is an integer number (1506414).

Almost surely, 2^65560950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65560950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108461808).

65560950 is an abundant number, since it is smaller than the sum of its proper divisors (151362666).

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

65560950 is a wasteful number, since it uses less digits than its factorization.

65560950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 65560950 is about 8096.9716561193. The cubic root of 65560950 is about 403.2258932611.

The spelling of 65560950 in words is "sixty-five million, five hundred sixty thousand, nine hundred fifty".