51444119 has 2 divisors, whose sum is σ = 51444120. Its totient is φ = 51444118.

The previous prime is 51444109. The next prime is 51444137. The reversal of 51444119 is 91144415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51444119 - 2⁴ = 51444103 is a prime.

It is a super-2 number, since 2×51444119² = 5292994759372322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 51444091 and 51444100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51444109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25722059 + 25722060.

It is an arithmetic number, because the mean of its divisors is an integer number (25722060).

Almost surely, 2^51444119 is an apocalyptic number.

51444119 is a deficient number, since it is larger than the sum of its proper divisors (1).

51444119 is an equidigital number, since it uses as much as digits as its factorization.

51444119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 51444119 is about 7172.4555767185. The cubic root of 51444119 is about 371.9163274834.

The spelling of 51444119 in words is "fifty-one million, four hundred forty-four thousand, one hundred nineteen".