64552275 has 24 divisors (see below), whose sum is σ = 118586160. Its totient is φ = 34427520.

The previous prime is 64552273. The next prime is 64552297. The reversal of 64552275 is 57225546.

64552275 is a `hidden beast` number, since 64 + 5 + 522 + 75 = 666.

It is not a de Polignac number, because 64552275 - 2¹ = 64552273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64552273) 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 23 ways as a sum of consecutive naturals, for example, 47142 + ... + 48491.

It is an arithmetic number, because the mean of its divisors is an integer number (4941090).

Almost surely, 2^64552275 is an apocalyptic number.

64552275 is a deficient number, since it is larger than the sum of its proper divisors (54033885).

64552275 is a wasteful number, since it uses less digits than its factorization.

64552275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95652 (or 95641 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 64552275 is about 8034.4430423023. The cubic root of 64552275 is about 401.1472791470.

The spelling of 64552275 in words is "sixty-four million, five hundred fifty-two thousand, two hundred seventy-five".