51211024 has 10 divisors (see below), whose sum is σ = 99221390. Its totient is φ = 25605504.

The previous prime is 51211019. The next prime is 51211031. The reversal of 51211024 is 42011215.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 1254400 = 7068^2 + 1120^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 3200689 = 51211024 / (5 + 1 + 2 + 1 + 1 + 0 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 51210989 and 51211007.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1600329 + ... + 1600360.

It is an arithmetic number, because the mean of its divisors is an integer number (9922139).

Almost surely, 2^51211024 is an apocalyptic number.

It is an amenable number.

51211024 is a deficient number, since it is larger than the sum of its proper divisors (48010366).

51211024 is a wasteful number, since it uses less digits than its factorization.

51211024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200697 (or 3200691 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51211024 is about 7156.1878119569. The cubic root of 51211024 is about 371.3537552324.

Adding to 51211024 its reverse (42011215), we get a palindrome (93222239).

The spelling of 51211024 in words is "fifty-one million, two hundred eleven thousand, twenty-four".