51363554463 has 64 divisors (see below), whose sum is σ = 83427299200. Its totient is φ = 31039303680.

The previous prime is 51363554441. The next prime is 51363554471. The reversal of 51363554463 is 36445536315.

51363554463 is a `hidden beast` number, since 5 + 1 + 3 + 635 + 5 + 4 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 51363554463 - 2⁶ = 51363554399 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 (51363954463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16206543 + ... + 16209711.

It is an arithmetic number, because the mean of its divisors is an integer number (1303551550).

Almost surely, 2^51363554463 is an apocalyptic number.

51363554463 is a deficient number, since it is larger than the sum of its proper divisors (32063744737).

51363554463 is a wasteful number, since it uses less digits than its factorization.

51363554463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 4003 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 51363554463 in words is "fifty-one billion, three hundred sixty-three million, five hundred fifty-four thousand, four hundred sixty-three".