51002214 has 16 divisors (see below), whose sum is σ = 104377152. Its totient is φ = 16605288.

The previous prime is 51002207. The next prime is 51002219. The reversal of 51002214 is 41220015.

51002214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51002214 is a modest number, since divided by 2214 gives 510 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 51002193 and 51002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 98584 + ... + 99099.

It is an arithmetic number, because the mean of its divisors is an integer number (6523572).

Almost surely, 2^51002214 is an apocalyptic number.

51002214 is an abundant number, since it is smaller than the sum of its proper divisors (53374938).

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

51002214 is a wasteful number, since it uses less digits than its factorization.

51002214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197731.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 51002214 is about 7141.5834378659. The cubic root of 51002214 is about 370.8483431650.

Adding to 51002214 its reverse (41220015), we get a palindrome (92222229).

The spelling of 51002214 in words is "fifty-one million, two thousand, two hundred fourteen".