53722201 has 4 divisors (see below), whose sum is σ = 57854692. Its totient is φ = 49589712.

The previous prime is 53722199. The next prime is 53722213. The reversal of 53722201 is 10222735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 44235801 = 3080^2 + 6651^2 .

It is a cyclic number.

It is not a de Polignac number, because 53722201 - 2¹ = 53722199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53722241) 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, 2066226 + ... + 2066251.

It is an arithmetic number, because the mean of its divisors is an integer number (14463673).

Almost surely, 2^53722201 is an apocalyptic number.

It is an amenable number.

53722201 is a deficient number, since it is larger than the sum of its proper divisors (4132491).

53722201 is a wasteful number, since it uses less digits than its factorization.

53722201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132490.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 53722201 is about 7329.5430280475. The cubic root of 53722201 is about 377.3270432643.

Adding to 53722201 its reverse (10222735), we get a palindrome (63944936).

The spelling of 53722201 in words is "fifty-three million, seven hundred twenty-two thousand, two hundred one".