51958258 has 16 divisors (see below), whose sum is σ = 85178016. Its totient is φ = 23574240.

The previous prime is 51958223. The next prime is 51958259. The reversal of 51958258 is 85285915.

51958258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51958259) 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, 12310 + ... + 15982.

It is an arithmetic number, because the mean of its divisors is an integer number (5323626).

Almost surely, 2^51958258 is an apocalyptic number.

51958258 is a deficient number, since it is larger than the sum of its proper divisors (33219758).

51958258 is a wasteful number, since it uses less digits than its factorization.

51958258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its digits is 144000, while the sum is 43.

The square root of 51958258 is about 7208.2076829126. The cubic root of 51958258 is about 373.1512155609.

The spelling of 51958258 in words is "fifty-one million, nine hundred fifty-eight thousand, two hundred fifty-eight".