51015834 has 12 divisors (see below), whose sum is σ = 110534346. Its totient is φ = 17005272.

The previous prime is 51015823. The next prime is 51015841. The reversal of 51015834 is 43851015.

It can be written as a sum of positive squares in only one way, i.e., 33350625 + 17665209 = 5775^2 + 4203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51015798 and 51015807.

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 in 5 ways as a sum of consecutive naturals, for example, 1417089 + ... + 1417124.

Almost surely, 2^51015834 is an apocalyptic number.

51015834 is an abundant number, since it is smaller than the sum of its proper divisors (59518512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51015834 is a wasteful number, since it uses less digits than its factorization.

51015834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834221 (or 2834218 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51015834 is about 7142.5369442517. The cubic root of 51015834 is about 370.8813515679.

Adding to 51015834 its reverse (43851015), we get a palindrome (94866849).

The spelling of 51015834 in words is "fifty-one million, fifteen thousand, eight hundred thirty-four".