51764214 has 16 divisors (see below), whose sum is σ = 108029952. Its totient is φ = 16504488.

The previous prime is 51764213. The next prime is 51764243. The reversal of 51764214 is 41246715.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51764213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187414 + ... + 187689.

It is an arithmetic number, because the mean of its divisors is an integer number (6751872).

Almost surely, 2^51764214 is an apocalyptic number.

51764214 is an abundant number, since it is smaller than the sum of its proper divisors (56265738).

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

51764214 is a wasteful number, since it uses less digits than its factorization.

51764214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375131.

The product of its digits is 6720, while the sum is 30.

The square root of 51764214 is about 7194.7351584336. The cubic root of 51764214 is about 372.6861109233.

The spelling of 51764214 in words is "fifty-one million, seven hundred sixty-four thousand, two hundred fourteen".