51682293 has 20 divisors (see below), whose sum is σ = 83144908. Its totient is φ = 31803840.

The previous prime is 51682283. The next prime is 51682307. The reversal of 51682293 is 39228615.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 35497764 = 4023^2 + 5958^2 .

It is not a de Polignac number, because 51682293 - 2⁴ = 51682277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51682243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23488 + ... + 25593.

Almost surely, 2^51682293 is an apocalyptic number.

It is an amenable number.

51682293 is a deficient number, since it is larger than the sum of its proper divisors (31462615).

51682293 is a wasteful number, since it uses less digits than its factorization.

51682293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49106 (or 49097 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 51682293 is about 7189.0397828917. The cubic root of 51682293 is about 372.4894052810.

The spelling of 51682293 in words is "fifty-one million, six hundred eighty-two thousand, two hundred ninety-three".