64563546 has 8 divisors (see below), whose sum is σ = 129127104. Its totient is φ = 21521180.

The previous prime is 64563529. The next prime is 64563547. The reversal of 64563546 is 64536546.

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

64563546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (64563547) 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, 5380290 + ... + 5380301.

It is an arithmetic number, because the mean of its divisors is an integer number (16140888).

Almost surely, 2^64563546 is an apocalyptic number.

64563546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64563546 is a wasteful number, since it uses less digits than its factorization.

64563546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760596.

The product of its digits is 259200, while the sum is 39.

The square root of 64563546 is about 8035.1444293180. The cubic root of 64563546 is about 401.1706249179.

Subtracting from 64563546 its reverse (64536546), we obtain a cube (27000 = 30³).

The spelling of 64563546 in words is "sixty-four million, five hundred sixty-three thousand, five hundred forty-six".