51335522989 has 8 divisors (see below), whose sum is σ = 54269317440. Its totient is φ = 48424921056.

The previous prime is 51335522983. The next prime is 51335522993. The reversal of 51335522989 is 98922553315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51335522989 - 2¹¹ = 51335520941 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 (51335522983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793577 + ... + 5802430.

It is an arithmetic number, because the mean of its divisors is an integer number (6783664680).

Almost surely, 2^51335522989 is an apocalyptic number.

It is an amenable number.

51335522989 is a deficient number, since it is larger than the sum of its proper divisors (2933794451).

51335522989 is a wasteful number, since it uses less digits than its factorization.

51335522989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596259.

The product of its digits is 2916000, while the sum is 52.

The spelling of 51335522989 in words is "fifty-one billion, three hundred thirty-five million, five hundred twenty-two thousand, nine hundred eighty-nine".