53265403 has 4 divisors (see below), whose sum is σ = 56398680. Its totient is φ = 50132128.

The previous prime is 53265391. The next prime is 53265419. The reversal of 53265403 is 30456235.

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 53265403 - 2⁹ = 53264891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53265103) 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, 1566613 + ... + 1566646.

It is an arithmetic number, because the mean of its divisors is an integer number (14099670).

Almost surely, 2^53265403 is an apocalyptic number.

53265403 is a deficient number, since it is larger than the sum of its proper divisors (3133277).

53265403 is a wasteful number, since it uses less digits than its factorization.

53265403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133276.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 53265403 is about 7298.3150795235. The cubic root of 53265403 is about 376.2545314259.

The spelling of 53265403 in words is "fifty-three million, two hundred sixty-five thousand, four hundred three".