51238196 has 12 divisors (see below), whose sum is σ = 91187040. Its totient is φ = 25184760.

The previous prime is 51238171. The next prime is 51238199. The reversal of 51238196 is 69183215.

51238196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51238199) 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 3 ways as a sum of consecutive naturals, for example, 108320 + ... + 108791.

It is an arithmetic number, because the mean of its divisors is an integer number (7598920).

Almost surely, 2^51238196 is an apocalyptic number.

It is an amenable number.

51238196 is a deficient number, since it is larger than the sum of its proper divisors (39948844).

51238196 is a wasteful number, since it uses less digits than its factorization.

51238196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217174 (or 217172 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 51238196 is about 7158.0860570407. The cubic root of 51238196 is about 371.4194223444.

The spelling of 51238196 in words is "fifty-one million, two hundred thirty-eight thousand, one hundred ninety-six".