64451056 has 10 divisors (see below), whose sum is σ = 124873952. Its totient is φ = 32225520.

The previous prime is 64451047. The next prime is 64451071. The reversal of 64451056 is 65015446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014080 + ... + 2014111.

Almost surely, 2^64451056 is an apocalyptic number.

It is an amenable number.

64451056 is a deficient number, since it is larger than the sum of its proper divisors (60422896).

64451056 is a wasteful number, since it uses less digits than its factorization.

64451056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028199 (or 4028193 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64451056 is about 8028.1415034863. The cubic root of 64451056 is about 400.9375010130.

The spelling of 64451056 in words is "sixty-four million, four hundred fifty-one thousand, fifty-six".