5520621651 has 16 divisors (see below), whose sum is σ = 7392633600. Its totient is φ = 3664533600.

The previous prime is 5520621649. The next prime is 5520621671. The reversal of 5520621651 is 1561260255.

It is not a de Polignac number, because 5520621651 - 2¹ = 5520621649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5520621611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162826 + ... + 2165376.

It is an arithmetic number, because the mean of its divisors is an integer number (462039600).

Almost surely, 2^5520621651 is an apocalyptic number.

5520621651 is a deficient number, since it is larger than the sum of its proper divisors (1872011949).

5520621651 is a wasteful number, since it uses less digits than its factorization.

5520621651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5520621651 is about 74300.8859368447. The cubic root of 5520621651 is about 1767.3775256356.

The spelling of 5520621651 in words is "five billion, five hundred twenty million, six hundred twenty-one thousand, six hundred fifty-one".