51920214 has 16 divisors (see below), whose sum is σ = 104503728. Its totient is φ = 17196192.

The previous prime is 51920201. The next prime is 51920233. The reversal of 51920214 is 41202915.

51920214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26617 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (6531483).

Almost surely, 2^51920214 is an apocalyptic number.

51920214 is an abundant number, since it is smaller than the sum of its proper divisors (52583514).

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

51920214 is a wasteful number, since it uses less digits than its factorization.

51920214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55279.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51920214 is about 7205.5682635029. The cubic root of 51920214 is about 373.0601191589.

The spelling of 51920214 in words is "fifty-one million, nine hundred twenty thousand, two hundred fourteen".