53765226321211 has 4 divisors (see below), whose sum is σ = 53772434429800. Its totient is φ = 53758018212624.

The previous prime is 53765226321143. The next prime is 53765226321251. The reversal of 53765226321211 is 11212362256735.

It is a happy number.

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 53765226321211 - 2¹⁵ = 53765226288443 is a prime.

It is a super-2 number, since 2×53765226321211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53765226321251) 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, 3604043106 + ... + 3604058023.

It is an arithmetic number, because the mean of its divisors is an integer number (13443108607450).

Almost surely, 2^{53765226321211} is an apocalyptic number.

53765226321211 is a deficient number, since it is larger than the sum of its proper divisors (7208108589).

53765226321211 is an equidigital number, since it uses as much as digits as its factorization.

53765226321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208108588.

The product of its digits is 907200, while the sum is 46.

Adding to 53765226321211 its reverse (11212362256735), we get a palindrome (64977588577946).

The spelling of 53765226321211 in words is "fifty-three trillion, seven hundred sixty-five billion, two hundred twenty-six million, three hundred twenty-one thousand, two hundred eleven".