51425551732254 has 32 divisors (see below), whose sum is σ = 117544655454720. Its totient is φ = 14692947629472.

The previous prime is 51425551732189. The next prime is 51425551732259. The reversal of 51425551732254 is 45223715552415.

It is a junction number, because it is equal to n+sod(n) for n = 51425551732197 and 51425551732206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51425551732259) 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, 6896412 + ... + 12264240.

It is an arithmetic number, because the mean of its divisors is an integer number (3673270482960).

Almost surely, 2^{51425551732254} is an apocalyptic number.

51425551732254 is an abundant number, since it is smaller than the sum of its proper divisors (66119103722466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51425551732254 is a wasteful number, since it uses less digits than its factorization.

51425551732254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595944.

The product of its digits is 8400000, while the sum is 51.

The spelling of 51425551732254 in words is "fifty-one trillion, four hundred twenty-five billion, five hundred fifty-one million, seven hundred thirty-two thousand, two hundred fifty-four".