53417723 has 4 divisors (see below), whose sum is σ = 56559960. Its totient is φ = 50275488.

The previous prime is 53417719. The next prime is 53417737. The reversal of 53417723 is 32771435.

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

It is a cyclic number.

It is not a de Polignac number, because 53417723 - 2² = 53417719 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 53417723.

It is not an unprimeable number, because it can be changed into a prime (53417713) 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, 1571093 + ... + 1571126.

It is an arithmetic number, because the mean of its divisors is an integer number (14139990).

Almost surely, 2^53417723 is an apocalyptic number.

53417723 is a deficient number, since it is larger than the sum of its proper divisors (3142237).

53417723 is a wasteful number, since it uses less digits than its factorization.

53417723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142236.

The product of its digits is 17640, while the sum is 32.

The square root of 53417723 is about 7308.7429151667. The cubic root of 53417723 is about 376.6128412223.

The spelling of 53417723 in words is "fifty-three million, four hundred seventeen thousand, seven hundred twenty-three".