53992944 has 60 divisors (see below), whose sum is σ = 153262512. Its totient is φ = 17740800.

The previous prime is 53992943. The next prime is 53992963. The reversal of 53992944 is 44929935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53992944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53992943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7584 + ... + 12864.

Almost surely, 2^53992944 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 53992944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76631256).

53992944 is an abundant number, since it is smaller than the sum of its proper divisors (99269568).

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

53992944 is a wasteful number, since it uses less digits than its factorization.

53992944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5366 (or 5357 counting only the distinct ones).

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

The square root of 53992944 is about 7347.9891126757. The cubic root of 53992944 is about 377.9598512830.

The spelling of 53992944 in words is "fifty-three million, nine hundred ninety-two thousand, nine hundred forty-four".