66482550 has 36 divisors (see below), whose sum is σ = 178617660. Its totient is φ = 17728560.

The previous prime is 66482531. The next prime is 66482551. The reversal of 66482550 is 5528466.

66482550 is a `hidden beast` number, since 6 + 648 + 2 + 5 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66482551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73420 + ... + 74319.

Almost surely, 2^66482550 is an apocalyptic number.

66482550 is an abundant number, since it is smaller than the sum of its proper divisors (112135110).

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

66482550 is a wasteful number, since it uses less digits than its factorization.

66482550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147757 (or 147749 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 66482550 is about 8153.6832168045. The cubic root of 66482550 is about 405.1065106238.

The spelling of 66482550 in words is "sixty-six million, four hundred eighty-two thousand, five hundred fifty".