53088940 has 12 divisors (see below), whose sum is σ = 111486816. Its totient is φ = 21235568.

The previous prime is 53088923. The next prime is 53088947. The reversal of 53088940 is 4988035.

It is a self number, because there is not a number n which added to its sum of digits gives 53088940.

It is not an unprimeable number, because it can be changed into a prime (53088947) 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, 1327204 + ... + 1327243.

It is an arithmetic number, because the mean of its divisors is an integer number (9290568).

Almost surely, 2^53088940 is an apocalyptic number.

It is an amenable number.

53088940 is an abundant number, since it is smaller than the sum of its proper divisors (58397876).

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

53088940 is a wasteful number, since it uses less digits than its factorization.

53088940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654456 (or 2654454 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 53088940 is about 7286.2157530504. The cubic root of 53088940 is about 375.8385737567.

The spelling of 53088940 in words is "fifty-three million, eighty-eight thousand, nine hundred forty".