53442253 has 4 divisors (see below), whose sum is σ = 53616640. Its totient is φ = 53267868.

The previous prime is 53442251. The next prime is 53442343. The reversal of 53442253 is 35224435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53442253 - 2¹ = 53442251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86733 + ... + 87346.

It is an arithmetic number, because the mean of its divisors is an integer number (13404160).

Almost surely, 2^53442253 is an apocalyptic number.

It is an amenable number.

53442253 is a deficient number, since it is larger than the sum of its proper divisors (174387).

53442253 is a wasteful number, since it uses less digits than its factorization.

53442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174386.

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

The square root of 53442253 is about 7310.4208497186. The cubic root of 53442253 is about 376.6704806394.

Adding to 53442253 its reverse (35224435), we get a palindrome (88666688).

The spelling of 53442253 in words is "fifty-three million, four hundred forty-two thousand, two hundred fifty-three".