52720411 has 4 divisors (see below), whose sum is σ = 53463024. Its totient is φ = 51977800.

The previous prime is 52720403. The next prime is 52720441. The reversal of 52720411 is 11402725.

It is a happy number.

52720411 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.

It is a cyclic number.

It is not a de Polignac number, because 52720411 - 2³ = 52720403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52720441) 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, 371200 + ... + 371341.

It is an arithmetic number, because the mean of its divisors is an integer number (13365756).

Almost surely, 2^52720411 is an apocalyptic number.

52720411 is a deficient number, since it is larger than the sum of its proper divisors (742613).

52720411 is an equidigital number, since it uses as much as digits as its factorization.

52720411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742612.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 52720411 is about 7260.8822466695. The cubic root of 52720411 is about 374.9668972261.

The spelling of 52720411 in words is "fifty-two million, seven hundred twenty thousand, four hundred eleven".