52723591 has 4 divisors (see below), whose sum is σ = 54424384. Its totient is φ = 51022800.

The previous prime is 52723589. The next prime is 52723597. The reversal of 52723591 is 19532725.

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 52723591 - 2¹ = 52723589 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 (52723597) 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, 850350 + ... + 850411.

It is an arithmetic number, because the mean of its divisors is an integer number (13606096).

Almost surely, 2^52723591 is an apocalyptic number.

52723591 is a deficient number, since it is larger than the sum of its proper divisors (1700793).

52723591 is a wasteful number, since it uses less digits than its factorization.

52723591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700792.

The product of its digits is 18900, while the sum is 34.

The square root of 52723591 is about 7261.1012250209. The cubic root of 52723591 is about 374.9744361833.

The spelling of 52723591 in words is "fifty-two million, seven hundred twenty-three thousand, five hundred ninety-one".