5526521321 has 4 divisors (see below), whose sum is σ = 5528214144. Its totient is φ = 5524828500.

The previous prime is 5526521281. The next prime is 5526521389. The reversal of 5526521321 is 1231256255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5526521321 - 2¹⁴ = 5526504937 is a prime.

It is a super-2 number, since 2×5526521321² = 61084875822935170082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5526521821) 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, 841505 + ... + 848046.

It is an arithmetic number, because the mean of its divisors is an integer number (1382053536).

Almost surely, 2^5526521321 is an apocalyptic number.

It is an amenable number.

5526521321 is a deficient number, since it is larger than the sum of its proper divisors (1692823).

5526521321 is a wasteful number, since it uses less digits than its factorization.

5526521321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692822.

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

The square root of 5526521321 is about 74340.5765447108. The cubic root of 5526521321 is about 1768.0068769866.

Adding to 5526521321 its reverse (1231256255), we get a palindrome (6757777576).

The spelling of 5526521321 in words is "five billion, five hundred twenty-six million, five hundred twenty-one thousand, three hundred twenty-one".