51363559455 has 16 divisors (see below), whose sum is σ = 88503364320. Its totient is φ = 25286675328.

The previous prime is 51363559441. The next prime is 51363559459. The reversal of 51363559455 is 55495536315.

It is not a de Polignac number, because 51363559455 - 2⁶ = 51363559391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51363559398 and 51363559407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51363559459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131701240 + ... + 131701629.

It is an arithmetic number, because the mean of its divisors is an integer number (5531460270).

Almost surely, 2^51363559455 is an apocalyptic number.

51363559455 is a deficient number, since it is larger than the sum of its proper divisors (37139804865).

51363559455 is a wasteful number, since it uses less digits than its factorization.

51363559455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263402890.

The product of its digits is 6075000, while the sum is 51.

The spelling of 51363559455 in words is "fifty-one billion, three hundred sixty-three million, five hundred fifty-nine thousand, four hundred fifty-five".