53435444 has 18 divisors (see below), whose sum is σ = 96632802. Its totient is φ = 25854000.

The previous prime is 53435443. The next prime is 53435449. The reversal of 53435444 is 44453435.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 2598544 = 7130^2 + 1612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53435444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53435443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3107 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (5368489).

Almost surely, 2^53435444 is an apocalyptic number.

It is an amenable number.

53435444 is a deficient number, since it is larger than the sum of its proper divisors (43197358).

53435444 is a wasteful number, since it uses less digits than its factorization.

53435444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13967 (or 13934 counting only the distinct ones).

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

The square root of 53435444 is about 7309.9551298212. The cubic root of 53435444 is about 376.6544829466.

Adding to 53435444 its reverse (44453435), we get a palindrome (97888879).

Subtracting from 53435444 its reverse (44453435), we obtain a square (8982009 = 2997²).

The spelling of 53435444 in words is "fifty-three million, four hundred thirty-five thousand, four hundred forty-four".