53128599 has 8 divisors (see below), whose sum is σ = 71026560. Its totient is φ = 35324856.

The previous prime is 53128591. The next prime is 53128601. The reversal of 53128599 is 99582135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53128599 - 2³ = 53128591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53128599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53128591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22227 + ... + 24500.

It is an arithmetic number, because the mean of its divisors is an integer number (8878320).

Almost surely, 2^53128599 is an apocalyptic number.

53128599 is a deficient number, since it is larger than the sum of its proper divisors (17897961).

53128599 is a wasteful number, since it uses less digits than its factorization.

53128599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47109.

The product of its digits is 97200, while the sum is 42.

The square root of 53128599 is about 7288.9367537385. The cubic root of 53128599 is about 375.9321379527.

The spelling of 53128599 in words is "fifty-three million, one hundred twenty-eight thousand, five hundred ninety-nine".