51930158 has 16 divisors (see below), whose sum is σ = 89316864. Its totient is φ = 22182360.

The previous prime is 51930157. The next prime is 51930163. The reversal of 51930158 is 85103915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51930157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610 + ... + 10317.

It is an arithmetic number, because the mean of its divisors is an integer number (5582304).

Almost surely, 2^51930158 is an apocalyptic number.

51930158 is a deficient number, since it is larger than the sum of its proper divisors (37386706).

51930158 is a wasteful number, since it uses less digits than its factorization.

51930158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12247.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 51930158 is about 7206.2582523804. The cubic root of 51930158 is about 373.0839343728.

The spelling of 51930158 in words is "fifty-one million, nine hundred thirty thousand, one hundred fifty-eight".