52088240 has 20 divisors (see below), whose sum is σ = 121105344. Its totient is φ = 20835264.

The previous prime is 52088237. The next prime is 52088243. The reversal of 52088240 is 4288025.

52088240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52088237) and next prime (52088243).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52088243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325472 + ... + 325631.

Almost surely, 2^52088240 is an apocalyptic number.

It is an amenable number.

52088240 is an abundant number, since it is smaller than the sum of its proper divisors (69017104).

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

52088240 is a wasteful number, since it uses less digits than its factorization.

52088240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651116 (or 651110 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 52088240 is about 7217.2183007028. The cubic root of 52088240 is about 373.4621225165.

The spelling of 52088240 in words is "fifty-two million, eighty-eight thousand, two hundred forty".