51955471 has 2 divisors, whose sum is σ = 51955472. Its totient is φ = 51955470.

The previous prime is 51955447. The next prime is 51955499. The reversal of 51955471 is 17455915.

51955471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51955471 - 2⁵ = 51955439 is a prime.

It is a super-3 number, since 3×51955471³ (a number of 24 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51955471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51955171) 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, 25977735 + 25977736.

It is an arithmetic number, because the mean of its divisors is an integer number (25977736).

Almost surely, 2^51955471 is an apocalyptic number.

51955471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51955471 is an equidigital number, since it uses as much as digits as its factorization.

51955471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 37.

The square root of 51955471 is about 7208.0143590312. The cubic root of 51955471 is about 373.1445435959.

The spelling of 51955471 in words is "fifty-one million, nine hundred fifty-five thousand, four hundred seventy-one".