53404351 has 32 divisors (see below), whose sum is σ = 74059776. Its totient is φ = 37152000.

The previous prime is 53404339. The next prime is 53404369. The reversal of 53404351 is 15340435.

It is a cyclic number.

It is not a de Polignac number, because 53404351 - 2¹¹ = 53402303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53401351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30171 + ... + 31891.

It is an arithmetic number, because the mean of its divisors is an integer number (2314368).

Almost surely, 2^53404351 is an apocalyptic number.

53404351 is a deficient number, since it is larger than the sum of its proper divisors (20655425).

53404351 is a wasteful number, since it uses less digits than its factorization.

53404351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53404351 is about 7307.8280631115. The cubic root of 53404351 is about 376.5814129066.

Adding to 53404351 its reverse (15340435), we get a palindrome (68744786).

It can be divided in two parts, 53 and 404351, that added together give a palindrome (404404).

The spelling of 53404351 in words is "fifty-three million, four hundred four thousand, three hundred fifty-one".