53842403 has 4 divisors (see below), whose sum is σ = 54336480. Its totient is φ = 53348328.

The previous prime is 53842387. The next prime is 53842423. The reversal of 53842403 is 30424835.

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 53842403 - 2⁴ = 53842387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53842423) 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, 246875 + ... + 247092.

It is an arithmetic number, because the mean of its divisors is an integer number (13584120).

Almost surely, 2^53842403 is an apocalyptic number.

53842403 is a deficient number, since it is larger than the sum of its proper divisors (494077).

53842403 is a wasteful number, since it uses less digits than its factorization.

53842403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494076.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 53842403 is about 7337.7382755179. The cubic root of 53842403 is about 377.6082533858.

It can be divided in two parts, 53842 and 403, that added together give a palindrome (54245).

The spelling of 53842403 in words is "fifty-three million, eight hundred forty-two thousand, four hundred three".