66532450 has 12 divisors (see below), whose sum is σ = 123750450. Its totient is φ = 26612960.

The previous prime is 66532447. The next prime is 66532511. The reversal of 66532450 is 5423566.

It can be written as a sum of positive squares in 3 ways, for example, as 37491129 + 29041321 = 6123^2 + 5389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665275 + ... + 665374.

Almost surely, 2^66532450 is an apocalyptic number.

66532450 is a deficient number, since it is larger than the sum of its proper divisors (57218000).

66532450 is a wasteful number, since it uses less digits than its factorization.

66532450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330661 (or 1330656 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 66532450 is about 8156.7426096451. The cubic root of 66532450 is about 405.2078392653.

The spelling of 66532450 in words is "sixty-six million, five hundred thirty-two thousand, four hundred fifty".