65550150 has 72 divisors (see below), whose sum is σ = 182220480. Its totient is φ = 16873920.

The previous prime is 65550143. The next prime is 65550193. The reversal of 65550150 is 5105556.

65550150 is a `hidden beast` number, since 65 + 550 + 1 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10539 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (2530840).

Almost surely, 2^65550150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65550150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91110240).

65550150 is an abundant number, since it is smaller than the sum of its proper divisors (116670330).

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

65550150 is a wasteful number, since it uses less digits than its factorization.

65550150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 65550150 is about 8096.3047126451. The cubic root of 65550150 is about 403.2037506147.

It can be divided in two parts, 655 and 50150, that added together give a palindrome (50805).

The spelling of 65550150 in words is "sixty-five million, five hundred fifty thousand, one hundred fifty".