51022454522 has 8 divisors (see below), whose sum is σ = 82420888116. Its totient is φ = 23548825152.

The previous prime is 51022454521. The next prime is 51022454543. The reversal of 51022454522 is 22545422015.

It can be written as a sum of positive squares in 2 ways, for example, as 46022691841 + 4999762681 = 214529^2 + 70709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×51022454522³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51022454521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981201023 + ... + 981201074.

Almost surely, 2^51022454522 is an apocalyptic number.

51022454522 is a deficient number, since it is larger than the sum of its proper divisors (31398433594).

51022454522 is a wasteful number, since it uses less digits than its factorization.

51022454522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962402112.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 51022454522 its reverse (22545422015), we get a palindrome (73567876537).

The spelling of 51022454522 in words is "fifty-one billion, twenty-two million, four hundred fifty-four thousand, five hundred twenty-two".