51704521324854 has 48 divisors (see below), whose sum is σ = 108102767192112. Its totient is φ = 16485164207424.

The previous prime is 51704521324829. The next prime is 51704521324957. The reversal of 51704521324854 is 45842312540715.

It is a junction number, because it is equal to n+sod(n) for n = 51704521324797 and 51704521324806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190421772 + ... + 190693104.

It is an arithmetic number, because the mean of its divisors is an integer number (2252140983169).

Almost surely, 2^{51704521324854} is an apocalyptic number.

51704521324854 is an abundant number, since it is smaller than the sum of its proper divisors (56398245867258).

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

51704521324854 is a wasteful number, since it uses less digits than its factorization.

51704521324854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331421 (or 331398 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 51704521324854 in words is "fifty-one trillion, seven hundred four billion, five hundred twenty-one million, three hundred twenty-four thousand, eight hundred fifty-four".