64543052 has 12 divisors (see below), whose sum is σ = 129086160. Its totient is φ = 27661296.

The previous prime is 64543049. The next prime is 64543081. The reversal of 64543052 is 25034546.

64543052 is an admirable number.

It is a super-2 number, since 2×64543052² = 8331611122949408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152527 + ... + 1152582.

It is an arithmetic number, because the mean of its divisors is an integer number (10757180).

Almost surely, 2^64543052 is an apocalyptic number.

It is an amenable number.

64543052 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.

64543052 is a wasteful number, since it uses less digits than its factorization.

64543052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305120 (or 2305118 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 64543052 is about 8033.8690554427. The cubic root of 64543052 is about 401.1281734038.

Adding to 64543052 its reverse (25034546), we get a palindrome (89577598).

The spelling of 64543052 in words is "sixty-four million, five hundred forty-three thousand, fifty-two".