4550523121 has 4 divisors (see below), whose sum is σ = 4566602992. Its totient is φ = 4534443252.

The previous prime is 4550523119. The next prime is 4550523151. The reversal of 4550523121 is 1213250554.

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 4550523121 - 2¹ = 4550523119 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 4550523121.

It is not an unprimeable number, because it can be changed into a prime (4550523101) 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 3 ways as a sum of consecutive naturals, for example, 8039511 + ... + 8040076.

It is an arithmetic number, because the mean of its divisors is an integer number (1141650748).

Almost surely, 2^4550523121 is an apocalyptic number.

It is an amenable number.

4550523121 is a deficient number, since it is larger than the sum of its proper divisors (16079871).

4550523121 is a wasteful number, since it uses less digits than its factorization.

4550523121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079870.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 4550523121 is about 67457.5653355500. The cubic root of 4550523121 is about 1657.1192987220.

Adding to 4550523121 its reverse (1213250554), we get a palindrome (5763773675).

The spelling of 4550523121 in words is "four billion, five hundred fifty million, five hundred twenty-three thousand, one hundred twenty-one".