51938908 has 24 divisors (see below), whose sum is σ = 104049792. Its totient is φ = 22222704.

The previous prime is 51938903. The next prime is 51938917. The reversal of 51938908 is 80983915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51938903) 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, 22035 + ... + 24277.

It is an arithmetic number, because the mean of its divisors is an integer number (4335408).

Almost surely, 2^51938908 is an apocalyptic number.

It is an amenable number.

51938908 is an abundant number, since it is smaller than the sum of its proper divisors (52110884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51938908 is a wasteful number, since it uses less digits than its factorization.

51938908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 51938908 is about 7206.8653379954. The cubic root of 51938908 is about 373.1048875223.

The spelling of 51938908 in words is "fifty-one million, nine hundred thirty-eight thousand, nine hundred eight".