66055353 has 64 divisors (see below), whose sum is σ = 117798912. Its totient is φ = 31933440.

The previous prime is 66055349. The next prime is 66055357. The reversal of 66055353 is 35355066.

It is an interprime number because it is at equal distance from previous prime (66055349) and next prime (66055357).

It is not a de Polignac number, because 66055353 - 2² = 66055349 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66055357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199398 + ... + 199728.

It is an arithmetic number, because the mean of its divisors is an integer number (1840608).

Almost surely, 2^66055353 is an apocalyptic number.

It is an amenable number.

66055353 is a deficient number, since it is larger than the sum of its proper divisors (51743559).

66055353 is a wasteful number, since it uses less digits than its factorization.

66055353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 40500, while the sum is 33.

The square root of 66055353 is about 8127.4444322924. Note that the first 4 decimals coincide. The cubic root of 66055353 is about 404.2369476439.

The spelling of 66055353 in words is "sixty-six million, fifty-five thousand, three hundred fifty-three".