64852553 has 2 divisors, whose sum is σ = 64852554. Its totient is φ = 64852552.

The previous prime is 64852547. The next prime is 64852591. The reversal of 64852553 is 35525846.

It is an a-pointer prime, because the next prime (64852591) can be obtained adding 64852553 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45738169 + 19114384 = 6763^2 + 4372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64852553 is a prime.

It is not a weakly prime, because it can be changed into another prime (64854553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32426276 + 32426277.

It is an arithmetic number, because the mean of its divisors is an integer number (32426277).

Almost surely, 2^64852553 is an apocalyptic number.

It is an amenable number.

64852553 is a deficient number, since it is larger than the sum of its proper divisors (1).

64852553 is an equidigital number, since it uses as much as digits as its factorization.

64852553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 38.

The square root of 64852553 is about 8053.1082818996. The cubic root of 64852553 is about 401.7683231467.

The spelling of 64852553 in words is "sixty-four million, eight hundred fifty-two thousand, five hundred fifty-three".