51023464003 has 4 divisors (see below), whose sum is σ = 51030350680. Its totient is φ = 51016577328.

The previous prime is 51023463989. The next prime is 51023464033. The reversal of 51023464003 is 30046432015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51023464003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51023464033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432213 + ... + 3447046.

It is an arithmetic number, because the mean of its divisors is an integer number (12757587670).

Almost surely, 2^51023464003 is an apocalyptic number.

51023464003 is a deficient number, since it is larger than the sum of its proper divisors (6886677).

51023464003 is an equidigital number, since it uses as much as digits as its factorization.

51023464003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886676.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 51023464003 its reverse (30046432015), we get a palindrome (81069896018).

The spelling of 51023464003 in words is "fifty-one billion, twenty-three million, four hundred sixty-four thousand, three".