51368093 has 4 divisors (see below), whose sum is σ = 58706400. Its totient is φ = 44029788.

The previous prime is 51368087. The next prime is 51368111. The reversal of 51368093 is 39086315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51368093 - 2¹⁶ = 51302557 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 (51368063) 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, 3669143 + ... + 3669156.

It is an arithmetic number, because the mean of its divisors is an integer number (14676600).

Almost surely, 2^51368093 is an apocalyptic number.

It is an amenable number.

51368093 is a deficient number, since it is larger than the sum of its proper divisors (7338307).

51368093 is an equidigital number, since it uses as much as digits as its factorization.

51368093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338306.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 51368093 is about 7167.1537586409. The cubic root of 51368093 is about 371.7330266418.

The spelling of 51368093 in words is "fifty-one million, three hundred sixty-eight thousand, ninety-three".