51768141803 has 4 divisors (see below), whose sum is σ = 59163590640. Its totient is φ = 44372692968.

The previous prime is 51768141793. The next prime is 51768141809. The reversal of 51768141803 is 30814186715.

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 51768141803 - 2¹⁸ = 51767879659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51768141809) 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, 3697724408 + ... + 3697724421.

It is an arithmetic number, because the mean of its divisors is an integer number (14790897660).

Almost surely, 2^51768141803 is an apocalyptic number.

51768141803 is a deficient number, since it is larger than the sum of its proper divisors (7395448837).

51768141803 is an equidigital number, since it uses as much as digits as its factorization.

51768141803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395448836.

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 51768141803 in words is "fifty-one billion, seven hundred sixty-eight million, one hundred forty-one thousand, eight hundred three".