51082331 has 8 divisors (see below), whose sum is σ = 54263520. Its totient is φ = 47920768.

The previous prime is 51082303. The next prime is 51082337. The reversal of 51082331 is 13328015.

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 51082331 - 2¹⁰ = 51081307 is a prime.

It is a super-2 number, since 2×51082331² = 5218809080787122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51082297 and 51082306.

It is not an unprimeable number, because it can be changed into a prime (51082337) 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, 650 + ... + 10128.

It is an arithmetic number, because the mean of its divisors is an integer number (6782940).

Almost surely, 2^51082331 is an apocalyptic number.

51082331 is a deficient number, since it is larger than the sum of its proper divisors (3181189).

51082331 is a wasteful number, since it uses less digits than its factorization.

51082331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 51082331 is about 7147.1904270140. The cubic root of 51082331 is about 371.0424243666.

The spelling of 51082331 in words is "fifty-one million, eighty-two thousand, three hundred thirty-one".