53454403 has 4 divisors (see below), whose sum is σ = 53479440. Its totient is φ = 53429368.

The previous prime is 53454397. The next prime is 53454421. The reversal of 53454403 is 30445435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30445435 = 5 ⋅6089087.

It is a cyclic number.

It is not a de Polignac number, because 53454403 - 2⁹ = 53453891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53454433) 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, 8983 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (13369860).

Almost surely, 2^53454403 is an apocalyptic number.

53454403 is a deficient number, since it is larger than the sum of its proper divisors (25037).

53454403 is a wasteful number, since it uses less digits than its factorization.

53454403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25036.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 53454403 is about 7311.2518080011. The cubic root of 53454403 is about 376.6990235950.

Adding to 53454403 its reverse (30445435), we get a palindrome (83899838).

The spelling of 53454403 in words is "fifty-three million, four hundred fifty-four thousand, four hundred three".