5528320138 has 8 divisors (see below), whose sum is σ = 9046342080. Its totient is φ = 2512872780.

The previous prime is 5528320129. The next prime is 5528320153. The reversal of 5528320138 is 8310238255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5528320097 and 5528320106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125643618 + ... + 125643661.

It is an arithmetic number, because the mean of its divisors is an integer number (1130792760).

Almost surely, 2^5528320138 is an apocalyptic number.

5528320138 is a deficient number, since it is larger than the sum of its proper divisors (3518021942).

5528320138 is a wasteful number, since it uses less digits than its factorization.

5528320138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251287292.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 5528320138 is about 74352.6740474073. The cubic root of 5528320138 is about 1768.1986779196.

The spelling of 5528320138 in words is "five billion, five hundred twenty-eight million, three hundred twenty thousand, one hundred thirty-eight".