64504455 has 8 divisors (see below), whose sum is σ = 103207152. Its totient is φ = 34402368.

The previous prime is 64504421. The next prime is 64504463. The reversal of 64504455 is 55440546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64504455 - 2¹¹ = 64502407 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150134 + ... + 2150163.

It is an arithmetic number, because the mean of its divisors is an integer number (12900894).

Almost surely, 2^64504455 is an apocalyptic number.

64504455 is a deficient number, since it is larger than the sum of its proper divisors (38702697).

64504455 is a wasteful number, since it uses less digits than its factorization.

64504455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300305.

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

The square root of 64504455 is about 8031.4665535007. The cubic root of 64504455 is about 401.0481987160.

The spelling of 64504455 in words is "sixty-four million, five hundred four thousand, four hundred fifty-five".