53723663 has 4 divisors (see below), whose sum is σ = 61398480. Its totient is φ = 46048848.

The previous prime is 53723647. The next prime is 53723669. The reversal of 53723663 is 36632735.

53723663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36632735 = 5 ⋅7326547.

It is a cyclic number.

It is not a de Polignac number, because 53723663 - 2⁴ = 53723647 is a prime.

It is a super-2 number, since 2×53723663² = 5772463932275138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53723669) 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 3 ways as a sum of consecutive naturals, for example, 3837398 + ... + 3837411.

It is an arithmetic number, because the mean of its divisors is an integer number (15349620).

Almost surely, 2^53723663 is an apocalyptic number.

53723663 is a deficient number, since it is larger than the sum of its proper divisors (7674817).

53723663 is an equidigital number, since it uses as much as digits as its factorization.

53723663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674816.

The product of its digits is 68040, while the sum is 35.

The square root of 53723663 is about 7329.6427607353. The cubic root of 53723663 is about 377.3304661020.

The spelling of 53723663 in words is "fifty-three million, seven hundred twenty-three thousand, six hundred sixty-three".