53403411 has 4 divisors (see below), whose sum is σ = 71204552. Its totient is φ = 35602272.

The previous prime is 53403407. The next prime is 53403419. The reversal of 53403411 is 11430435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53403411 - 2² = 53403407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53403419) 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, 8900566 + ... + 8900571.

It is an arithmetic number, because the mean of its divisors is an integer number (17801138).

Almost surely, 2^53403411 is an apocalyptic number.

53403411 is a deficient number, since it is larger than the sum of its proper divisors (17801141).

53403411 is a wasteful number, since it uses less digits than its factorization.

53403411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801140.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53403411 is about 7307.7637482338. The cubic root of 53403411 is about 376.5792034199.

Adding to 53403411 its reverse (11430435), we get a palindrome (64833846).

The spelling of 53403411 in words is "fifty-three million, four hundred three thousand, four hundred eleven".