53235940 has 12 divisors (see below), whose sum is σ = 111795516. Its totient is φ = 21294368.

The previous prime is 53235863. The next prime is 53235943. The reversal of 53235940 is 4953235.

It can be written as a sum of positive squares in 2 ways, for example, as 33362176 + 19873764 = 5776^2 + 4458^2 .

It is not an unprimeable number, because it can be changed into a prime (53235943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1330879 + ... + 1330918.

It is an arithmetic number, because the mean of its divisors is an integer number (9316293).

Almost surely, 2^53235940 is an apocalyptic number.

It is an amenable number.

53235940 is an abundant number, since it is smaller than the sum of its proper divisors (58559576).

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

53235940 is a wasteful number, since it uses less digits than its factorization.

53235940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661806 (or 2661804 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53235940 is about 7296.2963207370. The cubic root of 53235940 is about 376.1851453504.

The spelling of 53235940 in words is "fifty-three million, two hundred thirty-five thousand, nine hundred forty".