51214394 has 16 divisors (see below), whose sum is σ = 95777856. Its totient is φ = 19953600.

The previous prime is 51214337. The next prime is 51214409. The reversal of 51214394 is 49341215.

51214394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 166127 + ... + 166434.

It is an arithmetic number, because the mean of its divisors is an integer number (5986116).

Almost surely, 2^51214394 is an apocalyptic number.

51214394 is a deficient number, since it is larger than the sum of its proper divisors (44563462).

51214394 is a wasteful number, since it uses less digits than its factorization.

51214394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332581.

The product of its digits is 4320, while the sum is 29.

The square root of 51214394 is about 7156.4232686447. The cubic root of 51214394 is about 371.3619008399.

The spelling of 51214394 in words is "fifty-one million, two hundred fourteen thousand, three hundred ninety-four".