51964853 has 2 divisors, whose sum is σ = 51964854. Its totient is φ = 51964852.

The previous prime is 51964849. The next prime is 51964873. The reversal of 51964853 is 35846915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 1170724 = 7127^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 51964853 - 2² = 51964849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51964853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51964813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25982426 + 25982427.

It is an arithmetic number, because the mean of its divisors is an integer number (25982427).

Almost surely, 2^51964853 is an apocalyptic number.

It is an amenable number.

51964853 is a deficient number, since it is larger than the sum of its proper divisors (1).

51964853 is an equidigital number, since it uses as much as digits as its factorization.

51964853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 51964853 is about 7208.6651330187. The cubic root of 51964853 is about 373.1670027732.

The spelling of 51964853 in words is "fifty-one million, nine hundred sixty-four thousand, eight hundred fifty-three".