51970543 has 2 divisors, whose sum is σ = 51970544. Its totient is φ = 51970542.

The previous prime is 51970511. The next prime is 51970549. The reversal of 51970543 is 34507915.

51970543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51970543 - 2⁵ = 51970511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51970499 and 51970508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51970549) 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 as a sum of consecutive naturals, namely, 25985271 + 25985272.

It is an arithmetic number, because the mean of its divisors is an integer number (25985272).

Almost surely, 2^51970543 is an apocalyptic number.

51970543 is a deficient number, since it is larger than the sum of its proper divisors (1).

51970543 is an equidigital number, since it uses as much as digits as its factorization.

51970543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 51970543 is about 7209.0597861302. The cubic root of 51970543 is about 373.1806225093.

The spelling of 51970543 in words is "fifty-one million, nine hundred seventy thousand, five hundred forty-three".