53403392 has 72 divisors (see below), whose sum is σ = 129066336. Its totient is φ = 21528576.

The previous prime is 53403391. The next prime is 53403407. The reversal of 53403392 is 29330435.

53403392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29588 + ... + 31340.

It is an arithmetic number, because the mean of its divisors is an integer number (1792588).

Almost surely, 2^53403392 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 53403392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64533168).

53403392 is an abundant number, since it is smaller than the sum of its proper divisors (75662944).

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

53403392 is a wasteful number, since it uses less digits than its factorization.

53403392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 53403392 is about 7307.7624482464. The cubic root of 53403392 is about 376.5791587598.

The spelling of 53403392 in words is "fifty-three million, four hundred three thousand, three hundred ninety-two".