51611122 has 8 divisors (see below), whose sum is σ = 77725872. Its totient is φ = 25702500.

The previous prime is 51611093. The next prime is 51611141. The reversal of 51611122 is 22111615.

51611122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51611122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50904 + ... + 51907.

It is an arithmetic number, because the mean of its divisors is an integer number (9715734).

Almost surely, 2^51611122 is an apocalyptic number.

51611122 is a deficient number, since it is larger than the sum of its proper divisors (26114750).

51611122 is a wasteful number, since it uses less digits than its factorization.

51611122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103064.

The product of its digits is 120, while the sum is 19.

The square root of 51611122 is about 7184.0881119318. The cubic root of 51611122 is about 372.3183433286.

Adding to 51611122 its reverse (22111615), we get a palindrome (73722737).

The spelling of 51611122 in words is "fifty-one million, six hundred eleven thousand, one hundred twenty-two".