64548828 has 18 divisors (see below), whose sum is σ = 163165184. Its totient is φ = 21516264.

The previous prime is 64548821. The next prime is 64548829. The reversal of 64548828 is 82884546.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64548821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896476 + ... + 896547.

Almost surely, 2^64548828 is an apocalyptic number.

It is an amenable number.

64548828 is an abundant number, since it is smaller than the sum of its proper divisors (98616356).

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

64548828 is a wasteful number, since it uses less digits than its factorization.

64548828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793033 (or 1793028 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 64548828 is about 8034.2285255026. The cubic root of 64548828 is about 401.1401387879.

The spelling of 64548828 in words is "sixty-four million, five hundred forty-eight thousand, eight hundred twenty-eight".