53067444 has 12 divisors (see below), whose sum is σ = 123824064. Its totient is φ = 17689144.

The previous prime is 53067431. The next prime is 53067449. The reversal of 53067444 is 44476035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×53067444² = 5632307225386272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53067449) 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, 2211132 + ... + 2211155.

It is an arithmetic number, because the mean of its divisors is an integer number (10318672).

Almost surely, 2^53067444 is an apocalyptic number.

It is an amenable number.

53067444 is an abundant number, since it is smaller than the sum of its proper divisors (70756620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53067444 is a wasteful number, since it uses less digits than its factorization.

53067444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422294 (or 4422292 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 53067444 is about 7284.7404895439. The cubic root of 53067444 is about 375.7878405491.

The spelling of 53067444 in words is "fifty-three million, sixty-seven thousand, four hundred forty-four".