5531622521 has 8 divisors (see below), whose sum is σ = 5785530624. Its totient is φ = 5278831360.

The previous prime is 5531622517. The next prime is 5531622527. The reversal of 5531622521 is 1252261355.

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

It is a cyclic number.

It is not a de Polignac number, because 5531622521 - 2² = 5531622517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531622527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269096 + ... + 288921.

It is an arithmetic number, because the mean of its divisors is an integer number (723191328).

Almost surely, 2^5531622521 is an apocalyptic number.

It is an amenable number.

5531622521 is a deficient number, since it is larger than the sum of its proper divisors (253908103).

5531622521 is a wasteful number, since it uses less digits than its factorization.

5531622521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558471.

The product of its digits is 18000, while the sum is 32.

The square root of 5531622521 is about 74374.8782923374. The cubic root of 5531622521 is about 1768.5506900308.

Adding to 5531622521 its reverse (1252261355), we get a palindrome (6783883876).

The spelling of 5531622521 in words is "five billion, five hundred thirty-one million, six hundred twenty-two thousand, five hundred twenty-one".