51822476552 has 128 divisors (see below), whose sum is σ = 125826048000. Its totient is φ = 19418227200.

The previous prime is 51822476551. The next prime is 51822476561. The reversal of 51822476552 is 25567422815.

It is a junction number, because it is equal to n+sod(n) for n = 51822476497 and 51822476506.

It is not an unprimeable number, because it can be changed into a prime (51822476551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3104324 + ... + 3120972.

It is an arithmetic number, because the mean of its divisors is an integer number (983016000).

Almost surely, 2^51822476552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51822476552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62913024000).

51822476552 is an abundant number, since it is smaller than the sum of its proper divisors (74003571448).

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

51822476552 is a wasteful number, since it uses less digits than its factorization.

51822476552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867 (or 16863 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The spelling of 51822476552 in words is "fifty-one billion, eight hundred twenty-two million, four hundred seventy-six thousand, five hundred fifty-two".