51768026 has 8 divisors (see below), whose sum is σ = 82219860. Its totient is φ = 24361408.

The previous prime is 51768011. The next prime is 51768029. The reversal of 51768026 is 62086715.

It is a Cunningham number, because it is equal to 7195²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 51768025 + 1 = 7195^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51768029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761261 + ... + 761328.

Almost surely, 2^51768026 is an apocalyptic number.

51768026 is a deficient number, since it is larger than the sum of its proper divisors (30451834).

51768026 is a wasteful number, since it uses less digits than its factorization.

51768026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522608.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 51768026 is about 7195.0000694927. Note that the first 4 decimals coincide. The cubic root of 51768026 is about 372.6952591003.

The spelling of 51768026 in words is "fifty-one million, seven hundred sixty-eight thousand, twenty-six".