66052285 has 32 divisors (see below), whose sum is σ = 89792640. Its totient is φ = 46303488.

The previous prime is 66052267. The next prime is 66052291. The reversal of 66052285 is 58225066.

It is not a de Polignac number, because 66052285 - 2⁹ = 66051773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66052285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126034 + ... + 126556.

It is an arithmetic number, because the mean of its divisors is an integer number (2806020).

Almost surely, 2^66052285 is an apocalyptic number.

66052285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66052285 is a deficient number, since it is larger than the sum of its proper divisors (23740355).

66052285 is a wasteful number, since it uses less digits than its factorization.

66052285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 66052285 is about 8127.2556868847. The cubic root of 66052285 is about 404.2306891647.

The spelling of 66052285 in words is "sixty-six million, fifty-two thousand, two hundred eighty-five".