51948243 has 16 divisors (see below), whose sum is σ = 81488160. Its totient is φ = 32594688.

The previous prime is 51948229. The next prime is 51948287. The reversal of 51948243 is 34284915.

51948243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51948243 - 2¹² = 51944147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51948198 and 51948207.

It is not an unprimeable number, because it can be changed into a prime (51948293) 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 15 ways as a sum of consecutive naturals, for example, 56130 + ... + 57047.

It is an arithmetic number, because the mean of its divisors is an integer number (5093010).

Almost surely, 2^51948243 is an apocalyptic number.

51948243 is a deficient number, since it is larger than the sum of its proper divisors (29539917).

51948243 is a wasteful number, since it uses less digits than its factorization.

51948243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113203 (or 113197 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 51948243 is about 7207.5129552433. The cubic root of 51948243 is about 373.1272389452.

The spelling of 51948243 in words is "fifty-one million, nine hundred forty-eight thousand, two hundred forty-three".