53944992 has 72 divisors (see below), whose sum is σ = 155413440. Its totient is φ = 17746560.

The previous prime is 53944987. The next prime is 53944997. The reversal of 53944992 is 29944935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53944987) and next prime (53944997).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53944997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21567 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (2158520).

Almost surely, 2^53944992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53944992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77706720).

53944992 is an abundant number, since it is smaller than the sum of its proper divisors (101468448).

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

53944992 is a wasteful number, since it uses less digits than its factorization.

53944992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2455 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 53944992 is about 7344.7254543652. The cubic root of 53944992 is about 377.8479274063.

The spelling of 53944992 in words is "fifty-three million, nine hundred forty-four thousand, nine hundred ninety-two".