66053300 has 36 divisors (see below), whose sum is σ = 148284780. Its totient is φ = 25509120.

The previous prime is 66053297. The next prime is 66053311. The reversal of 66053300 is 335066.

It can be written as a sum of positive squares in 6 ways, for example, as 702244 + 65351056 = 838^2 + 8084^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8489 + ... + 14288.

Almost surely, 2^66053300 is an apocalyptic number.

It is an amenable number.

66053300 is an abundant number, since it is smaller than the sum of its proper divisors (82231480).

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

66053300 is a wasteful number, since it uses less digits than its factorization.

66053300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22820 (or 22813 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 66053300 is about 8127.3181308473. The cubic root of 66053300 is about 404.2327597065.

Adding to 66053300 its reverse (335066), we get a palindrome (66388366).

The spelling of 66053300 in words is "sixty-six million, fifty-three thousand, three hundred".