51853933 has 2 divisors, whose sum is σ = 51853934. Its totient is φ = 51853932.

The previous prime is 51853931. The next prime is 51853939. The reversal of 51853933 is 33935815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28068804 + 23785129 = 5298^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 51853933 - 2¹ = 51853931 is a prime.

Together with 51853931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51853892 and 51853901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51853931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25926966 + 25926967.

It is an arithmetic number, because the mean of its divisors is an integer number (25926967).

Almost surely, 2^51853933 is an apocalyptic number.

It is an amenable number.

51853933 is a deficient number, since it is larger than the sum of its proper divisors (1).

51853933 is an equidigital number, since it uses as much as digits as its factorization.

51853933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 51853933 is about 7200.9675044399. The cubic root of 51853933 is about 372.9013028691.

The spelling of 51853933 in words is "fifty-one million, eight hundred fifty-three thousand, nine hundred thirty-three".