51473004822 has 64 divisors (see below), whose sum is σ = 117289912320. Its totient is φ = 16722676800.

The previous prime is 51473004809. The next prime is 51473004839. The reversal of 51473004822 is 22840037415.

It is a happy number.

51473004822 is a `hidden beast` number, since 5 + 147 + 30 + 0 + 482 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2342547 + ... + 2364417.

It is an arithmetic number, because the mean of its divisors is an integer number (1832654880).

Almost surely, 2^51473004822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51473004822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58644956160).

51473004822 is an abundant number, since it is smaller than the sum of its proper divisors (65816907498).

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

51473004822 is a wasteful number, since it uses less digits than its factorization.

51473004822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22986 (or 22980 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 51473004822 in words is "fifty-one billion, four hundred seventy-three million, four thousand, eight hundred twenty-two".