51224433241 has 4 divisors (see below), whose sum is σ = 51322377232. Its totient is φ = 51126489252.

The previous prime is 51224433229. The next prime is 51224433259. The reversal of 51224433241 is 14233442215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14233442215 = 5 ⋅2846688443.

It is a cyclic number.

It is not a de Polignac number, because 51224433241 - 2⁵ = 51224433209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51224437241) 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, 48971211 + ... + 48972256.

It is an arithmetic number, because the mean of its divisors is an integer number (12830594308).

Almost surely, 2^51224433241 is an apocalyptic number.

It is an amenable number.

51224433241 is a deficient number, since it is larger than the sum of its proper divisors (97943991).

51224433241 is an equidigital number, since it uses as much as digits as its factorization.

51224433241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97943990.

The product of its digits is 23040, while the sum is 31.

Adding to 51224433241 its reverse (14233442215), we get a palindrome (65457875456).

The spelling of 51224433241 in words is "fifty-one billion, two hundred twenty-four million, four hundred thirty-three thousand, two hundred forty-one".