53442303 has 8 divisors (see below), whose sum is σ = 71769600. Its totient is φ = 35371608.

The previous prime is 53442251. The next prime is 53442343. The reversal of 53442303 is 30324435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53442303 - 2¹⁴ = 53425919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63663 + ... + 64496.

It is an arithmetic number, because the mean of its divisors is an integer number (8971200).

Almost surely, 2^53442303 is an apocalyptic number.

53442303 is a deficient number, since it is larger than the sum of its proper divisors (18327297).

53442303 is a wasteful number, since it uses less digits than its factorization.

53442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128301.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 53442303 is about 7310.4242694935. The cubic root of 53442303 is about 376.6705981090.

Adding to 53442303 its reverse (30324435), we get a palindrome (83766738).

The spelling of 53442303 in words is "fifty-three million, four hundred forty-two thousand, three hundred three".