64553522 has 16 divisors (see below), whose sum is σ = 111847392. Its totient is φ = 27616320.

The previous prime is 64553521. The next prime is 64553527. The reversal of 64553522 is 22535546.

It is not an unprimeable number, because it can be changed into a prime (64553521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85928 + ... + 86675.

It is an arithmetic number, because the mean of its divisors is an integer number (6990462).

Almost surely, 2^64553522 is an apocalyptic number.

64553522 is a deficient number, since it is larger than the sum of its proper divisors (47293870).

64553522 is a wasteful number, since it uses less digits than its factorization.

64553522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172633.

The product of its digits is 36000, while the sum is 32.

The square root of 64553522 is about 8034.5206453154. The cubic root of 64553522 is about 401.1498622082.

The spelling of 64553522 in words is "sixty-four million, five hundred fifty-three thousand, five hundred twenty-two".