51116241 has 32 divisors (see below), whose sum is σ = 79441920. Its totient is φ = 28929600.

The previous prime is 51116173. The next prime is 51116249. The reversal of 51116241 is 14261115.

It is not a de Polignac number, because 51116241 - 2⁷ = 51116113 is a prime.

It is a super-2 number, since 2×51116241² = 5225740187940162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51116249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28806 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (2482560).

Almost surely, 2^51116241 is an apocalyptic number.

It is an amenable number.

51116241 is a deficient number, since it is larger than the sum of its proper divisors (28325679).

51116241 is a wasteful number, since it uses less digits than its factorization.

51116241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its digits is 240, while the sum is 21.

The square root of 51116241 is about 7149.5622942947. The cubic root of 51116241 is about 371.1245092759.

Adding to 51116241 its reverse (14261115), we get a palindrome (65377356).

The spelling of 51116241 in words is "fifty-one million, one hundred sixteen thousand, two hundred forty-one".