51958331 has 8 divisors (see below), whose sum is σ = 54942720. Its totient is φ = 48998952.

The previous prime is 51958327. The next prime is 51958381. The reversal of 51958331 is 13385915.

51958331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51958331 - 2² = 51958327 is a prime.

It is a super-2 number, since 2×51958331² = 5399336320611122, 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 = 51958291 and 51958300.

It is not an unprimeable number, because it can be changed into a prime (51958321) 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 in 7 ways as a sum of consecutive naturals, for example, 1895 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (6867840).

Almost surely, 2^51958331 is an apocalyptic number.

51958331 is a deficient number, since it is larger than the sum of its proper divisors (2984389).

51958331 is a wasteful number, since it uses less digits than its factorization.

51958331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505.

The product of its digits is 16200, while the sum is 35.

The square root of 51958331 is about 7208.2127465829. The cubic root of 51958331 is about 373.1513903168.

The spelling of 51958331 in words is "fifty-one million, nine hundred fifty-eight thousand, three hundred thirty-one".