64055237 has 4 divisors (see below), whose sum is σ = 64932780. Its totient is φ = 63177696.

The previous prime is 64055221. The next prime is 64055281. The reversal of 64055237 is 73255046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 47416996 = 4079^2 + 6886^2 .

It is a cyclic number.

It is not a de Polignac number, because 64055237 - 2⁴ = 64055221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64057237) 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, 438662 + ... + 438807.

It is an arithmetic number, because the mean of its divisors is an integer number (16233195).

Almost surely, 2^64055237 is an apocalyptic number.

It is an amenable number.

64055237 is a deficient number, since it is larger than the sum of its proper divisors (877543).

64055237 is an equidigital number, since it uses as much as digits as its factorization.

64055237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877542.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 64055237 is about 8003.4515679174. The cubic root of 64055237 is about 400.1150439924.

The spelling of 64055237 in words is "sixty-four million, fifty-five thousand, two hundred thirty-seven".