53235993 has 8 divisors (see below), whose sum is σ = 75156768. Its totient is φ = 33402944.

The previous prime is 53235991. The next prime is 53236019. The reversal of 53235993 is 39953235.

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 53235993 - 2¹ = 53235991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53235991) 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 7 ways as a sum of consecutive naturals, for example, 521871 + ... + 521972.

It is an arithmetic number, because the mean of its divisors is an integer number (9394596).

Almost surely, 2^53235993 is an apocalyptic number.

It is an amenable number.

53235993 is a deficient number, since it is larger than the sum of its proper divisors (21920775).

53235993 is a wasteful number, since it uses less digits than its factorization.

53235993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043863.

The product of its digits is 109350, while the sum is 39.

The square root of 53235993 is about 7296.2999527158. The cubic root of 53235993 is about 376.1852701896.

The spelling of 53235993 in words is "fifty-three million, two hundred thirty-five thousand, nine hundred ninety-three".