64305552 has 40 divisors (see below), whose sum is σ = 168471360. Its totient is φ = 21132160.

The previous prime is 64305551. The next prime is 64305559. The reversal of 64305552 is 25550346.

64305552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64305551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (4211784).

Almost surely, 2^64305552 is an apocalyptic number.

It is an amenable number.

64305552 is an abundant number, since it is smaller than the sum of its proper divisors (104165808).

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

64305552 is a wasteful number, since it uses less digits than its factorization.

64305552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18951 (or 18945 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 64305552 is about 8019.0742607860. The cubic root of 64305552 is about 400.6355563023.

Adding to 64305552 its reverse (25550346), we get a palindrome (89855898).

The spelling of 64305552 in words is "sixty-four million, three hundred five thousand, five hundred fifty-two".