64052564 has 6 divisors (see below), whose sum is σ = 112091994. Its totient is φ = 32026280.

The previous prime is 64052563. The next prime is 64052669. The reversal of 64052564 is 46525046.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 1768900 = 7892^2 + 1330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64052564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64052563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8006567 + ... + 8006574.

It is an arithmetic number, because the mean of its divisors is an integer number (18681999).

Almost surely, 2^64052564 is an apocalyptic number.

It is an amenable number.

64052564 is a deficient number, since it is larger than the sum of its proper divisors (48039430).

64052564 is a wasteful number, since it uses less digits than its factorization.

64052564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16013145 (or 16013143 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 64052564 is about 8003.2845757226. The cubic root of 64052564 is about 400.1094783668.

The spelling of 64052564 in words is "sixty-four million, fifty-two thousand, five hundred sixty-four".