64554522 has 32 divisors (see below), whose sum is σ = 134066880. Its totient is φ = 20697600.

The previous prime is 64554521. The next prime is 64554563. The reversal of 64554522 is 22545546.

It is not an unprimeable number, because it can be changed into a prime (64554521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60897 + ... + 61947.

It is an arithmetic number, because the mean of its divisors is an integer number (4189590).

Almost surely, 2^64554522 is an apocalyptic number.

64554522 is an abundant number, since it is smaller than the sum of its proper divisors (69512358).

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

64554522 is a wasteful number, since it uses less digits than its factorization.

64554522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its digits is 48000, while the sum is 33.

The square root of 64554522 is about 8034.5828765406. The cubic root of 64554522 is about 401.1519336046.

The spelling of 64554522 in words is "sixty-four million, five hundred fifty-four thousand, five hundred twenty-two".