64544051 has 16 divisors (see below), whose sum is σ = 76295520. Its totient is φ = 53829120.

The previous prime is 64544033. The next prime is 64544059. The reversal of 64544051 is 15044546.

It is a cyclic number.

It is not a de Polignac number, because 64544051 - 2²² = 60349747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64544059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23435 + ... + 26043.

It is an arithmetic number, because the mean of its divisors is an integer number (4768470).

Almost surely, 2^64544051 is an apocalyptic number.

64544051 is a deficient number, since it is larger than the sum of its proper divisors (11751469).

64544051 is a wasteful number, since it uses less digits than its factorization.

64544051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 64544051 is about 8033.9312294791. The cubic root of 64544051 is about 401.1302429525.

Adding to 64544051 its reverse (15044546), we get a palindrome (79588597).

The spelling of 64544051 in words is "sixty-four million, five hundred forty-four thousand, fifty-one".