51368003 has 4 divisors (see below), whose sum is σ = 52091568. Its totient is φ = 50644440.

The previous prime is 51367997. The next prime is 51368011. The reversal of 51368003 is 30086315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51368003 - 2²² = 47173699 is a prime.

It is a Duffinian 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, 361676 + ... + 361817.

It is an arithmetic number, because the mean of its divisors is an integer number (13022892).

Almost surely, 2^51368003 is an apocalyptic number.

51368003 is a deficient number, since it is larger than the sum of its proper divisors (723565).

51368003 is an equidigital number, since it uses as much as digits as its factorization.

51368003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723564.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51368003 is about 7167.1474799951. The cubic root of 51368003 is about 371.7328095421.

The spelling of 51368003 in words is "fifty-one million, three hundred sixty-eight thousand, three".