5525772321 has 4 divisors (see below), whose sum is σ = 7367696432. Its totient is φ = 3683848212.

The previous prime is 5525772311. The next prime is 5525772323. The reversal of 5525772321 is 1232775255.

5525772321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 5525772321 - 2¹⁹ = 5525248033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5525772321.

It is not an unprimeable number, because it can be changed into a prime (5525772323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920962051 + ... + 920962056.

It is an arithmetic number, because the mean of its divisors is an integer number (1841924108).

Almost surely, 2^5525772321 is an apocalyptic number.

It is an amenable number.

5525772321 is a deficient number, since it is larger than the sum of its proper divisors (1841924111).

5525772321 is a wasteful number, since it uses less digits than its factorization.

5525772321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841924110.

The product of its digits is 147000, while the sum is 39.

The square root of 5525772321 is about 74335.5387482999. The cubic root of 5525772321 is about 1767.9270017268.

The spelling of 5525772321 in words is "five billion, five hundred twenty-five million, seven hundred seventy-two thousand, three hundred twenty-one".