51938125 has 10 divisors (see below), whose sum is σ = 64902662. Its totient is φ = 41550000.

The previous prime is 51938123. The next prime is 51938129. The reversal of 51938125 is 52183915.

It can be written as a sum of positive squares in 5 ways, for example, as 18610596 + 33327529 = 4314^2 + 5773^2 .

It is not a de Polignac number, because 51938125 - 2¹ = 51938123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51938123) 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 9 ways as a sum of consecutive naturals, for example, 40926 + ... + 42175.

Almost surely, 2^51938125 is an apocalyptic number.

It is an amenable number.

51938125 is a deficient number, since it is larger than the sum of its proper divisors (12964537).

51938125 is an frugal number, since it uses more digits than its factorization.

51938125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83121 (or 83106 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 51938125 is about 7206.8110145889. The cubic root of 51938125 is about 373.1030126107.

The spelling of 51938125 in words is "fifty-one million, nine hundred thirty-eight thousand, one hundred twenty-five".