53385469 has 8 divisors (see below), whose sum is σ = 54936792. Its totient is φ = 51854400.

The previous prime is 53385463. The next prime is 53385481. The reversal of 53385469 is 96458335.

It can be written as a sum of positive squares in 4 ways, for example, as 16297369 + 37088100 = 4037^2 + 6090^2 .

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 53385469 - 2⁷ = 53385341 is a prime.

It is a super-2 number, since 2×53385469² = 5700016600699922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53385463) 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, 367 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (6867099).

Almost surely, 2^53385469 is an apocalyptic number.

It is an amenable number.

53385469 is a deficient number, since it is larger than the sum of its proper divisors (1551323).

53385469 is a wasteful number, since it uses less digits than its factorization.

53385469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10127.

The product of its digits is 388800, while the sum is 43.

The square root of 53385469 is about 7306.5360465819. The cubic root of 53385469 is about 376.5370254594.

The spelling of 53385469 in words is "fifty-three million, three hundred eighty-five thousand, four hundred sixty-nine".