52555993 has 8 divisors (see below), whose sum is σ = 63597312. Its totient is φ = 42398016.

The previous prime is 52555981. The next prime is 52555999. The reversal of 52555993 is 39955525.

52555993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52555993 - 2¹⁷ = 52424921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52555999) 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 7 ways as a sum of consecutive naturals, for example, 220705 + ... + 220942.

It is an arithmetic number, because the mean of its divisors is an integer number (7949664).

Almost surely, 2^52555993 is an apocalyptic number.

It is an amenable number.

52555993 is a deficient number, since it is larger than the sum of its proper divisors (11041319).

52555993 is a wasteful number, since it uses less digits than its factorization.

52555993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441671.

The product of its digits is 303750, while the sum is 43.

The square root of 52555993 is about 7249.5512274899. The cubic root of 52555993 is about 374.5766909309.

The spelling of 52555993 in words is "fifty-two million, five hundred fifty-five thousand, nine hundred ninety-three".