53453723 has 4 divisors (see below), whose sum is σ = 53523648. Its totient is φ = 53383800.

The previous prime is 53453717. The next prime is 53453737. The reversal of 53453723 is 32735435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32735435 = 5 ⋅6547087.

It is a cyclic number.

It is not a de Polignac number, because 53453723 - 2¹⁰ = 53452699 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 53453723.

It is not an unprimeable number, because it can be changed into a prime (53453623) 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, 33803 + ... + 35348.

It is an arithmetic number, because the mean of its divisors is an integer number (13380912).

Almost surely, 2^53453723 is an apocalyptic number.

53453723 is a deficient number, since it is larger than the sum of its proper divisors (69925).

53453723 is an equidigital number, since it uses as much as digits as its factorization.

53453723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69924.

The product of its digits is 37800, while the sum is 32.

The square root of 53453723 is about 7311.2053041889. The cubic root of 53453723 is about 376.6974262434.

The spelling of 53453723 in words is "fifty-three million, four hundred fifty-three thousand, seven hundred twenty-three".