53454443 has 12 divisors (see below), whose sum is σ = 65840472. Its totient is φ = 43122240.

The previous prime is 53454439. The next prime is 53454449. The reversal of 53454443 is 34445435.

It is not a de Polignac number, because 53454443 - 2² = 53454439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53454449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31253 + ... + 32918.

It is an arithmetic number, because the mean of its divisors is an integer number (5486706).

Almost surely, 2^53454443 is an apocalyptic number.

53454443 is a deficient number, since it is larger than the sum of its proper divisors (12386029).

53454443 is a wasteful number, since it uses less digits than its factorization.

53454443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64202 (or 64195 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 53454443 is about 7311.2545435103. The cubic root of 53454443 is about 376.6991175564.

Adding to 53454443 its reverse (34445435), we get a palindrome (87899878).

The spelling of 53454443 in words is "fifty-three million, four hundred fifty-four thousand, four hundred forty-three".