5521787653441 has 4 divisors (see below), whose sum is σ = 5522237286084. Its totient is φ = 5521338020800.

The previous prime is 5521787653433. The next prime is 5521787653457. The reversal of 5521787653441 is 1443567871255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4181759154225 + 1340028499216 = 2044935^2 + 1157596^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521787653441 - 2³ = 5521787653433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521787653141) 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, 224797900 + ... + 224822461.

It is an arithmetic number, because the mean of its divisors is an integer number (1380559321521).

Almost surely, 2^{5521787653441} is an apocalyptic number.

It is an amenable number.

5521787653441 is a deficient number, since it is larger than the sum of its proper divisors (449632643).

5521787653441 is a wasteful number, since it uses less digits than its factorization.

5521787653441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449632642.

The product of its digits is 28224000, while the sum is 58.

The spelling of 5521787653441 in words is "five trillion, five hundred twenty-one billion, seven hundred eighty-seven million, six hundred fifty-three thousand, four hundred forty-one".