51589025 has 6 divisors (see below), whose sum is σ = 63970422. Its totient is φ = 41271200.

The previous prime is 51589007. The next prime is 51589049. The reversal of 51589025 is 52098515.

51589025 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 3 ways, for example, as 380689 + 51208336 = 617^2 + 7156^2 .

It is not a de Polignac number, because 51589025 - 2¹⁰ = 51588001 is a prime.

It is a super-2 number, since 2×51589025² = 5322855000901250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1031756 + ... + 1031805.

It is an arithmetic number, because the mean of its divisors is an integer number (10661737).

Almost surely, 2^51589025 is an apocalyptic number.

It is an amenable number.

51589025 is a deficient number, since it is larger than the sum of its proper divisors (12381397).

51589025 is a wasteful number, since it uses less digits than its factorization.

51589025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063571 (or 2063566 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 51589025 is about 7182.5500346325. The cubic root of 51589025 is about 372.2652004366.

The spelling of 51589025 in words is "fifty-one million, five hundred eighty-nine thousand, twenty-five".