4528889557 has 4 divisors (see below), whose sum is σ = 4552355500. Its totient is φ = 4505423616.

The previous prime is 4528889527. The next prime is 4528889579. The reversal of 4528889557 is 7559888254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1262309841 + 3266579716 = 35529^2 + 57154^2 .

It is a cyclic number.

It is not a de Polignac number, because 4528889557 - 2¹⁵ = 4528856789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4528889495 and 4528889504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528889507) 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, 11732682 + ... + 11733067.

It is an arithmetic number, because the mean of its divisors is an integer number (1138088875).

Almost surely, 2^4528889557 is an apocalyptic number.

It is an amenable number.

4528889557 is a deficient number, since it is larger than the sum of its proper divisors (23465943).

4528889557 is a wasteful number, since it uses less digits than its factorization.

4528889557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23465942.

The product of its digits is 32256000, while the sum is 61.

The square root of 4528889557 is about 67297.0248748041. The cubic root of 4528889557 is about 1654.4890987570.

The spelling of 4528889557 in words is "four billion, five hundred twenty-eight million, eight hundred eighty-nine thousand, five hundred fifty-seven".