5528520638631 has 32 divisors (see below), whose sum is σ = 8221800576000. Its totient is φ = 3671554495680.

The previous prime is 5528520638621. The next prime is 5528520638651. The reversal of 5528520638631 is 1368360258255.

It is a happy number.

5528520638631 is a `hidden beast` number, since 5 + 5 + 2 + 8 + 520 + 6 + 3 + 86 + 31 = 666.

It is not a de Polignac number, because 5528520638631 - 2⁹ = 5528520638119 is a prime.

It is a super-2 number, since 2×5528520638631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5528520638621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54878395 + ... + 54979043.

It is an arithmetic number, because the mean of its divisors is an integer number (256931268000).

Almost surely, 2^{5528520638631} is an apocalyptic number.

5528520638631 is a deficient number, since it is larger than the sum of its proper divisors (2693279937369).

5528520638631 is a wasteful number, since it uses less digits than its factorization.

5528520638631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108436 (or 108430 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 5528520638631 in words is "five trillion, five hundred twenty-eight billion, five hundred twenty million, six hundred thirty-eight thousand, six hundred thirty-one".