51504052303 has 8 divisors (see below), whose sum is σ = 56530941696. Its totient is φ = 46534613400.

The previous prime is 51504052273. The next prime is 51504052307. The reversal of 51504052303 is 30325040515.

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

It is a de Polignac number, because none of the positive numbers 2^k-51504052303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51504052307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14360743 + ... + 14364328.

It is an arithmetic number, because the mean of its divisors is an integer number (7066367712).

Almost surely, 2^51504052303 is an apocalyptic number.

51504052303 is a deficient number, since it is larger than the sum of its proper divisors (5026889393).

51504052303 is a wasteful number, since it uses less digits than its factorization.

51504052303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725245.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 51504052303 its reverse (30325040515), we get a palindrome (81829092818).

The spelling of 51504052303 in words is "fifty-one billion, five hundred four million, fifty-two thousand, three hundred three".