53552369 has 8 divisors (see below), whose sum is σ = 57914472. Its totient is φ = 49224960.

The previous prime is 53552351. The next prime is 53552371. The reversal of 53552369 is 96325535.

It can be written as a sum of positive squares in 4 ways, for example, as 6451600 + 47100769 = 2540^2 + 6863^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53552369 - 2¹⁶ = 53486833 is a prime.

It is a super-2 number, since 2×53552369² = 5735712451024322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53552309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5414 + ... + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (7239309).

Almost surely, 2^53552369 is an apocalyptic number.

It is an amenable number.

53552369 is a deficient number, since it is larger than the sum of its proper divisors (4362103).

53552369 is a wasteful number, since it uses less digits than its factorization.

53552369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17347.

The product of its digits is 121500, while the sum is 38.

The square root of 53552369 is about 7317.9484146856. The cubic root of 53552369 is about 376.9290088591.

The spelling of 53552369 in words is "fifty-three million, five hundred fifty-two thousand, three hundred sixty-nine".