5521323437442 has 40 divisors (see below), whose sum is σ = 12605285603196. Its totient is φ = 1805715838368.

The previous prime is 5521323437431. The next prime is 5521323437479. The reversal of 5521323437442 is 2447343231255.

5521323437442 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 3 + 234 + 374 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4389825326481 + 1131498110961 = 2095191^2 + 1063719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 321522013 + ... + 321539184.

Almost surely, 2^{5521323437442} is an apocalyptic number.

5521323437442 is an abundant number, since it is smaller than the sum of its proper divisors (7083962165754).

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

5521323437442 is a wasteful number, since it uses less digits than its factorization.

5521323437442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643061264 (or 643061255 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 45.

Adding to 5521323437442 its reverse (2447343231255), we get a palindrome (7968666668697).

The spelling of 5521323437442 in words is "five trillion, five hundred twenty-one billion, three hundred twenty-three million, four hundred thirty-seven thousand, four hundred forty-two".