53237040 has 80 divisors (see below), whose sum is σ = 170748000. Its totient is φ = 13705216.

The previous prime is 53237039. The next prime is 53237123. The reversal of 53237040 is 4073235.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53237040.

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, 3136 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 2^53237040 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 53237040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85374000).

53237040 is an abundant number, since it is smaller than the sum of its proper divisors (117510960).

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

53237040 is a wasteful number, since it uses less digits than its factorization.

53237040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 53237040 is about 7296.3717010580. The cubic root of 53237040 is about 376.1877363369.

The spelling of 53237040 in words is "fifty-three million, two hundred thirty-seven thousand, forty".