53917233 has 4 divisors (see below), whose sum is σ = 71889648. Its totient is φ = 35944820.

The previous prime is 53917223. The next prime is 53917247. The reversal of 53917233 is 33271935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53917233 - 2⁹ = 53916721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53917194 and 53917203.

It is not an unprimeable number, because it can be changed into a prime (53917223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8986203 + ... + 8986208.

It is an arithmetic number, because the mean of its divisors is an integer number (17972412).

Almost surely, 2^53917233 is an apocalyptic number.

It is an amenable number.

53917233 is a deficient number, since it is larger than the sum of its proper divisors (17972415).

53917233 is a wasteful number, since it uses less digits than its factorization.

53917233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17972414.

The product of its digits is 17010, while the sum is 33.

The square root of 53917233 is about 7342.8354877391. The cubic root of 53917233 is about 377.7831053234.

The spelling of 53917233 in words is "fifty-three million, nine hundred seventeen thousand, two hundred thirty-three".