53541403 has 4 divisors (see below), whose sum is σ = 53950248. Its totient is φ = 53132560.

The previous prime is 53541361. The next prime is 53541419. The reversal of 53541403 is 30414535.

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

It is a cyclic number.

It is not a de Polignac number, because 53541403 - 2¹³ = 53533211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53541463) 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, 204226 + ... + 204487.

It is an arithmetic number, because the mean of its divisors is an integer number (13487562).

Almost surely, 2^53541403 is an apocalyptic number.

53541403 is a deficient number, since it is larger than the sum of its proper divisors (408845).

53541403 is a wasteful number, since it uses less digits than its factorization.

53541403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408844.

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

The square root of 53541403 is about 7317.1991226152. The cubic root of 53541403 is about 376.9032789941.

Adding to 53541403 its reverse (30414535), we get a palindrome (83955938).

The spelling of 53541403 in words is "fifty-three million, five hundred forty-one thousand, four hundred three".