553236161 has 4 divisors (see below), whose sum is σ = 572313300. Its totient is φ = 534159024.

The previous prime is 553236157. The next prime is 553236163. The reversal of 553236161 is 161632355.

553236161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161632355 = 5 ⋅32326471.

It can be written as a sum of positive squares in 2 ways, for example, as 165894400 + 387341761 = 12880^2 + 19681^2 .

It is a cyclic number.

It is not a de Polignac number, because 553236161 - 2² = 553236157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553236163) 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, 9538526 + ... + 9538583.

It is an arithmetic number, because the mean of its divisors is an integer number (143078325).

Almost surely, 2^553236161 is an apocalyptic number.

It is an amenable number.

553236161 is a deficient number, since it is larger than the sum of its proper divisors (19077139).

553236161 is a wasteful number, since it uses less digits than its factorization.

553236161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19077138.

The product of its digits is 16200, while the sum is 32.

The square root of 553236161 is about 23520.9727902568. The cubic root of 553236161 is about 820.9250719034.

The spelling of 553236161 in words is "five hundred fifty-three million, two hundred thirty-six thousand, one hundred sixty-one".