51275238589 has 4 divisors (see below), whose sum is σ = 51997425120. Its totient is φ = 50553052060.

The previous prime is 51275238563. The next prime is 51275238671. The reversal of 51275238589 is 98583257215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51275238589 - 2⁵ = 51275238557 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 (51275238089) 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, 361093159 + ... + 361093300.

It is an arithmetic number, because the mean of its divisors is an integer number (12999356280).

Almost surely, 2^51275238589 is an apocalyptic number.

It is an amenable number.

51275238589 is a deficient number, since it is larger than the sum of its proper divisors (722186531).

51275238589 is an equidigital number, since it uses as much as digits as its factorization.

51275238589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722186530.

The product of its digits is 6048000, while the sum is 55.

The spelling of 51275238589 in words is "fifty-one billion, two hundred seventy-five million, two hundred thirty-eight thousand, five hundred eighty-nine".