51144211 has 8 divisors (see below), whose sum is σ = 54916704. Its totient is φ = 47456640.

The previous prime is 51144187. The next prime is 51144263. The reversal of 51144211 is 11244115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51144211 - 2¹⁵ = 51111443 is a prime.

It is a super-3 number, since 3×51144211³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51144811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19980 + ... + 22393.

It is an arithmetic number, because the mean of its divisors is an integer number (6864588).

Almost surely, 2^51144211 is an apocalyptic number.

51144211 is a deficient number, since it is larger than the sum of its proper divisors (3772493).

51144211 is a wasteful number, since it uses less digits than its factorization.

51144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42461.

The product of its digits is 160, while the sum is 19.

The square root of 51144211 is about 7151.5180905875. The cubic root of 51144211 is about 371.1921880904.

Adding to 51144211 its reverse (11244115), we get a palindrome (62388326).

The spelling of 51144211 in words is "fifty-one million, one hundred forty-four thousand, two hundred eleven".