51025732444554 has 32 divisors (see below), whose sum is σ = 116741216426496. Its totient is φ = 14564909343600.

The previous prime is 51025732444441. The next prime is 51025732444591. The reversal of 51025732444554 is 45544423752015.

It is a junction number, because it is equal to n+sod(n) for n = 51025732444497 and 51025732444506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577928452 + ... + 578016735.

It is an arithmetic number, because the mean of its divisors is an integer number (3648163013328).

Almost surely, 2^{51025732444554} is an apocalyptic number.

51025732444554 is an abundant number, since it is smaller than the sum of its proper divisors (65715483981942).

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

51025732444554 is a wasteful number, since it uses less digits than its factorization.

51025732444554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155946250.

The product of its (nonzero) digits is 13440000, while the sum is 51.

The spelling of 51025732444554 in words is "fifty-one trillion, twenty-five billion, seven hundred thirty-two million, four hundred forty-four thousand, five hundred fifty-four".