51326055654454 has 16 divisors (see below), whose sum is σ = 88018386034176. Its totient is φ = 21989165481000.

The previous prime is 51326055654439. The next prime is 51326055654457. The reversal of 51326055654454 is 45445655062315.

It is a junction number, because it is equal to n+sod(n) for n = 51326055654395 and 51326055654404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326055654457) 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, 642918142 + ... + 642997969.

It is an arithmetic number, because the mean of its divisors is an integer number (5501149127136).

Almost surely, 2^{51326055654454} is an apocalyptic number.

51326055654454 is a deficient number, since it is larger than the sum of its proper divisors (36692330379722).

51326055654454 is a wasteful number, since it uses less digits than its factorization.

51326055654454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285918971.

The product of its (nonzero) digits is 43200000, while the sum is 55.

The spelling of 51326055654454 in words is "fifty-one trillion, three hundred twenty-six billion, fifty-five million, six hundred fifty-four thousand, four hundred fifty-four".