51429914 has 8 divisors (see below), whose sum is σ = 77191380. Its totient is φ = 25699456.

The previous prime is 51429901. The next prime is 51429919. The reversal of 51429914 is 41992415.

It can be written as a sum of positive squares in 2 ways, for example, as 43784689 + 7645225 = 6617^2 + 2765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51429919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029 + ... + 10584.

Almost surely, 2^51429914 is an apocalyptic number.

51429914 is a deficient number, since it is larger than the sum of its proper divisors (25761466).

51429914 is a wasteful number, since it uses less digits than its factorization.

51429914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15504.

The product of its digits is 12960, while the sum is 35.

The square root of 51429914 is about 7171.4652617160. The cubic root of 51429914 is about 371.8820925512.

The spelling of 51429914 in words is "fifty-one million, four hundred twenty-nine thousand, nine hundred fourteen".