2215328553 has 6 divisors (see below), whose sum is σ = 3199919034. Its totient is φ = 1476885696.

The previous prime is 2215328539. The next prime is 2215328623. The reversal of 2215328553 is 3558235122.

It can be written as a sum of positive squares in only one way, i.e., 1355196969 + 860131584 = 36813^2 + 29328^2 .

It is not a de Polignac number, because 2215328553 - 2¹² = 2215324457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215378553) 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 5 ways as a sum of consecutive naturals, for example, 123073800 + ... + 123073817.

It is an arithmetic number, because the mean of its divisors is an integer number (533319839).

Almost surely, 2^2215328553 is an apocalyptic number.

It is an amenable number.

2215328553 is a deficient number, since it is larger than the sum of its proper divisors (984590481).

2215328553 is a wasteful number, since it uses less digits than its factorization.

2215328553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246147623 (or 246147620 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 2215328553 is about 47067.2768810774. The cubic root of 2215328553 is about 1303.6050925142.

The spelling of 2215328553 in words is "two billion, two hundred fifteen million, three hundred twenty-eight thousand, five hundred fifty-three".