64555248 has 20 divisors (see below), whose sum is σ = 166767848. Its totient is φ = 21518400.

The previous prime is 64555241. The next prime is 64555291. The reversal of 64555248 is 84255546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64555241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672403 + ... + 672498.

Almost surely, 2^64555248 is an apocalyptic number.

It is an amenable number.

64555248 is an abundant number, since it is smaller than the sum of its proper divisors (102212600).

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

64555248 is a wasteful number, since it uses less digits than its factorization.

64555248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344912 (or 1344906 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The square root of 64555248 is about 8034.6280561081. The cubic root of 64555248 is about 401.1534374249.

The spelling of 64555248 in words is "sixty-four million, five hundred fifty-five thousand, two hundred forty-eight".