53507444 has 12 divisors (see below), whose sum is σ = 94766784. Its totient is φ = 26431224.

The previous prime is 53507417. The next prime is 53507471. The reversal of 53507444 is 44470535.

53507444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53507417) and next prime (53507471).

It is a self number, because there is not a number n which added to its sum of digits gives 53507444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80252 + ... + 80915.

It is an arithmetic number, because the mean of its divisors is an integer number (7897232).

Almost surely, 2^53507444 is an apocalyptic number.

It is an amenable number.

53507444 is a deficient number, since it is larger than the sum of its proper divisors (41259340).

53507444 is a wasteful number, since it uses less digits than its factorization.

53507444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161254 (or 161252 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 53507444 is about 7314.8782628284. The cubic root of 53507444 is about 376.8235776496.

Adding to 53507444 its reverse (44470535), we get a palindrome (97977979).

The spelling of 53507444 in words is "fifty-three million, five hundred seven thousand, four hundred forty-four".