51016441 has 4 divisors (see below), whose sum is σ = 58304512. Its totient is φ = 43728372.

The previous prime is 51016417. The next prime is 51016453. The reversal of 51016441 is 14461015.

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.

It is a cyclic number.

It is not a de Polignac number, because 51016441 - 2⁵ = 51016409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51016241) 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, 3644025 + ... + 3644038.

It is an arithmetic number, because the mean of its divisors is an integer number (14576128).

Almost surely, 2^51016441 is an apocalyptic number.

It is an amenable number.

51016441 is a deficient number, since it is larger than the sum of its proper divisors (7288071).

51016441 is an equidigital number, since it uses as much as digits as its factorization.

51016441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288070.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51016441 is about 7142.5794360301. The cubic root of 51016441 is about 370.8828225105.

Adding to 51016441 its reverse (14461015), we get a palindrome (65477456).

The spelling of 51016441 in words is "fifty-one million, sixteen thousand, four hundred forty-one".