53089040 has 80 divisors (see below), whose sum is σ = 132580800. Its totient is φ = 19708416.

The previous prime is 53089039. The next prime is 53089051. The reversal of 53089040 is 4098035.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 53088994 and 53089012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80231 + ... + 80889.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 2^53089040 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 53089040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66290400).

53089040 is an abundant number, since it is smaller than the sum of its proper divisors (79491760).

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

53089040 is a wasteful number, since it uses less digits than its factorization.

53089040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 53089040 is about 7286.2226153200. Note that the first 3 decimals coincide. The cubic root of 53089040 is about 375.8388097370.

The spelling of 53089040 in words is "fifty-three million, eighty-nine thousand, forty".