51504563363 has 8 divisors (see below), whose sum is σ = 56195163696. Its totient is φ = 46815357600.

The previous prime is 51504563333. The next prime is 51504563371. The reversal of 51504563363 is 36336540515.

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

It is not a de Polignac number, because 51504563363 - 2¹⁶ = 51504497827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51504563363.

It is not an unprimeable number, because it can be changed into a prime (51504563333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270656 + ... + 419837.

It is an arithmetic number, because the mean of its divisors is an integer number (7024395462).

Almost surely, 2^51504563363 is an apocalyptic number.

51504563363 is a deficient number, since it is larger than the sum of its proper divisors (4690600333).

51504563363 is a wasteful number, since it uses less digits than its factorization.

51504563363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697285.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 51504563363 in words is "fifty-one billion, five hundred four million, five hundred sixty-three thousand, three hundred sixty-three".