53264409 has 8 divisors (see below), whose sum is σ = 77475552. Its totient is φ = 32281440.

The previous prime is 53264381. The next prime is 53264411. The reversal of 53264409 is 90446235.

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

It is not a de Polignac number, because 53264409 - 2¹¹ = 53262361 is a prime.

It is a super-2 number, since 2×53264409² = 5674194532238562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1614073 = 53264409 / (5 + 3 + 2 + 6 + 4 + 4 + 0 + 9).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53264409.

It is not an unprimeable number, because it can be changed into a prime (53264209) 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, 807004 + ... + 807069.

It is an arithmetic number, because the mean of its divisors is an integer number (9684444).

Almost surely, 2^53264409 is an apocalyptic number.

It is an amenable number.

53264409 is a deficient number, since it is larger than the sum of its proper divisors (24211143).

53264409 is a wasteful number, since it uses less digits than its factorization.

53264409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614087.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 53264409 is about 7298.2469812963. The cubic root of 53264409 is about 376.2521909491.

It can be divided in two parts, 53 and 264409, that added together give a palindrome (264462).

The spelling of 53264409 in words is "fifty-three million, two hundred sixty-four thousand, four hundred nine".