52226556121 has 4 divisors (see below), whose sum is σ = 52227224244. Its totient is φ = 52225888000.

The previous prime is 52226556119. The next prime is 52226556227. The reversal of 52226556121 is 12165562225.

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 38392091721 + 13834464400 = 195939^2 + 117620^2 .

It is a cyclic number.

It is not a de Polignac number, because 52226556121 - 2¹ = 52226556119 is a prime.

It is a super-2 number, since 2×52226556121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52226553121) 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, 198460 + ... + 379261.

It is an arithmetic number, because the mean of its divisors is an integer number (13056806061).

Almost surely, 2^52226556121 is an apocalyptic number.

It is an amenable number.

52226556121 is a deficient number, since it is larger than the sum of its proper divisors (668123).

52226556121 is an equidigital number, since it uses as much as digits as its factorization.

52226556121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668122.

The product of its digits is 72000, while the sum is 37.

The spelling of 52226556121 in words is "fifty-two billion, two hundred twenty-six million, five hundred fifty-six thousand, one hundred twenty-one".