51949283 has 2 divisors, whose sum is σ = 51949284. Its totient is φ = 51949282.

The previous prime is 51949267. The next prime is 51949301. The reversal of 51949283 is 38294915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51949283 - 2⁴ = 51949267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51949283.

It is not a weakly prime, because it can be changed into another prime (51949213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25974641 + 25974642.

It is an arithmetic number, because the mean of its divisors is an integer number (25974642).

Almost surely, 2^51949283 is an apocalyptic number.

51949283 is a deficient number, since it is larger than the sum of its proper divisors (1).

51949283 is an equidigital number, since it uses as much as digits as its factorization.

51949283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 51949283 is about 7207.5851018216. The cubic root of 51949283 is about 373.1297289218.

The spelling of 51949283 in words is "fifty-one million, nine hundred forty-nine thousand, two hundred eighty-three".