53442133 has 4 divisors (see below), whose sum is σ = 55765728. Its totient is φ = 51118540.

The previous prime is 53442131. The next prime is 53442143. The reversal of 53442133 is 33124435.

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 53442133 - 2¹ = 53442131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53442098 and 53442107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53442131) 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, 1161763 + ... + 1161808.

It is an arithmetic number, because the mean of its divisors is an integer number (13941432).

Almost surely, 2^53442133 is an apocalyptic number.

It is an amenable number.

53442133 is a deficient number, since it is larger than the sum of its proper divisors (2323595).

53442133 is a wasteful number, since it uses less digits than its factorization.

53442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323594.

The product of its digits is 4320, while the sum is 25.

The square root of 53442133 is about 7310.4126422521. The cubic root of 53442133 is about 376.6701987121.

Adding to 53442133 its reverse (33124435), we get a palindrome (86566568).

The spelling of 53442133 in words is "fifty-three million, four hundred forty-two thousand, one hundred thirty-three".