51000014 has 16 divisors (see below), whose sum is σ = 83380752. Its totient is φ = 23253888.

The previous prime is 50999999. The next prime is 51000041. The reversal of 51000014 is 41000015.

It is a junction number, because it is equal to n+sod(n) for n = 50999959 and 51000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9659 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (5211297).

Almost surely, 2^51000014 is an apocalyptic number.

51000014 is a deficient number, since it is larger than the sum of its proper divisors (32380738).

51000014 is a wasteful number, since it uses less digits than its factorization.

51000014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23731.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 51000014 is about 7141.4294087388. The cubic root of 51000014 is about 370.8430108600.

Adding to 51000014 its reverse (41000015), we get a palindrome (92000029).

Subtracting from 51000014 its reverse (41000015), we obtain a palindrome (9999999).

The spelling of 51000014 in words is "fifty-one million, fourteen", and thus it is an aban number.