53331040 has 96 divisors (see below), whose sum is σ = 152518464. Its totient is φ = 17203200.

The previous prime is 53331007. The next prime is 53331053. The reversal of 53331040 is 4013335.

It is a junction number, because it is equal to n+sod(n) for n = 53330999 and 53331017.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17640 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (1588734).

Almost surely, 2^53331040 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 53331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76259232).

53331040 is an abundant number, since it is smaller than the sum of its proper divisors (99187424).

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

53331040 is a wasteful number, since it uses less digits than its factorization.

53331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 53331040 is about 7302.8104179145. The cubic root of 53331040 is about 376.4090162018.

Adding to 53331040 its reverse (4013335), we get a palindrome (57344375).

The spelling of 53331040 in words is "fifty-three million, three hundred thirty-one thousand, forty".