53723311 has 4 divisors (see below), whose sum is σ = 53921824. Its totient is φ = 53524800.

The previous prime is 53723269. The next prime is 53723323. The reversal of 53723311 is 11332735.

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 53723311 - 2⁷ = 53723183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53723911) 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, 98850 + ... + 99391.

It is an arithmetic number, because the mean of its divisors is an integer number (13480456).

Almost surely, 2^53723311 is an apocalyptic number.

53723311 is a deficient number, since it is larger than the sum of its proper divisors (198513).

53723311 is a wasteful number, since it uses less digits than its factorization.

53723311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198512.

The product of its digits is 1890, while the sum is 25.

The square root of 53723311 is about 7329.6187486117. The cubic root of 53723311 is about 377.3296420045.

The spelling of 53723311 in words is "fifty-three million, seven hundred twenty-three thousand, three hundred eleven".