53509883 has 4 divisors (see below), whose sum is σ = 61154160. Its totient is φ = 45865608.

The previous prime is 53509877. The next prime is 53509889. The reversal of 53509883 is 38890535.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53509877) and next prime (53509889).

It is a cyclic number.

It is not a de Polignac number, because 53509883 - 2⁴ = 53509867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53509883.

It is not an unprimeable number, because it can be changed into a prime (53509889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822128 + ... + 3822141.

It is an arithmetic number, because the mean of its divisors is an integer number (15288540).

Almost surely, 2^53509883 is an apocalyptic number.

53509883 is a deficient number, since it is larger than the sum of its proper divisors (7644277).

53509883 is an equidigital number, since it uses as much as digits as its factorization.

53509883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644276.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 53509883 is about 7315.0449759383. The cubic root of 53509883 is about 376.8293030757.

The spelling of 53509883 in words is "fifty-three million, five hundred nine thousand, eight hundred eighty-three".