5525457128 has 16 divisors (see below), whose sum is σ = 10403224260. Its totient is φ = 2751264000.

The previous prime is 5525457121. The next prime is 5525457151. The reversal of 5525457128 is 8217545255.

It can be written as a sum of positive squares in 2 ways, for example, as 4408694404 + 1116762724 = 66398^2 + 33418^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5525457121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431023 + ... + 1434878.

Almost surely, 2^5525457128 is an apocalyptic number.

It is an amenable number.

5525457128 is a deficient number, since it is larger than the sum of its proper divisors (4877767132).

5525457128 is a wasteful number, since it uses less digits than its factorization.

5525457128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866148 (or 2866144 counting only the distinct ones).

The product of its digits is 560000, while the sum is 44.

The square root of 5525457128 is about 74333.4186486805. The cubic root of 5525457128 is about 1767.8933865880.

The spelling of 5525457128 in words is "five billion, five hundred twenty-five million, four hundred fifty-seven thousand, one hundred twenty-eight".