53443454 has 4 divisors (see below), whose sum is σ = 80165184. Its totient is φ = 26721726.

The previous prime is 53443391. The next prime is 53443457. The reversal of 53443454 is 45434435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45434435 = 5 ⋅9086887.

It is a super-3 number, since 3×53443454³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53443454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53443457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13360862 + ... + 13360865.

It is an arithmetic number, because the mean of its divisors is an integer number (20041296).

Almost surely, 2^53443454 is an apocalyptic number.

53443454 is a deficient number, since it is larger than the sum of its proper divisors (26721730).

53443454 is a wasteful number, since it uses less digits than its factorization.

53443454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26721729.

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

The square root of 53443454 is about 7310.5029922708. The cubic root of 53443454 is about 376.6733022386.

Adding to 53443454 its reverse (45434435), we get a palindrome (98877889).

The spelling of 53443454 in words is "fifty-three million, four hundred forty-three thousand, four hundred fifty-four".