51589064 has 8 divisors (see below), whose sum is σ = 96729510. Its totient is φ = 25794528.

The previous prime is 51589061. The next prime is 51589073. The reversal of 51589064 is 46098515.

51589064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 5484964 = 6790^2 + 2342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51589064² = 5322863048792192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51589061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224309 + ... + 3224324.

Almost surely, 2^51589064 is an apocalyptic number.

It is an amenable number.

51589064 is a deficient number, since it is larger than the sum of its proper divisors (45140446).

51589064 is a wasteful number, since it uses less digits than its factorization.

51589064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448639 (or 6448635 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 51589064 is about 7182.5527495452. The cubic root of 51589064 is about 372.2652942443.

The spelling of 51589064 in words is "fifty-one million, five hundred eighty-nine thousand, sixty-four".