2159553232 has 20 divisors (see below), whose sum is σ = 4252728676. Its totient is φ = 1062074880.

The previous prime is 2159553229. The next prime is 2159553241. The reversal of 2159553232 is 2323559512.

It can be written as a sum of positive squares in 2 ways, for example, as 249513616 + 1910039616 = 15796^2 + 43704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2159553191 and 2159553200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105353 + ... + 1107304.

Almost surely, 2^2159553232 is an apocalyptic number.

It is an amenable number.

2159553232 is a deficient number, since it is larger than the sum of its proper divisors (2093175444).

2159553232 is a wasteful number, since it uses less digits than its factorization.

2159553232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212726 (or 2212720 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 2159553232 is about 46470.9934475260. The cubic root of 2159553232 is about 1292.5716844962.

The spelling of 2159553232 in words is "two billion, one hundred fifty-nine million, five hundred fifty-three thousand, two hundred thirty-two".