51950129 has 8 divisors (see below), whose sum is σ = 64769088. Its totient is φ = 40480560.

The previous prime is 51950111. The next prime is 51950131. The reversal of 51950129 is 92105915.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51950129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51950095 and 51950104.

It is not an unprimeable number, because it can be changed into a prime (51950159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337262 + ... + 337415.

It is an arithmetic number, because the mean of its divisors is an integer number (8096136).

Almost surely, 2^51950129 is an apocalyptic number.

It is an amenable number.

51950129 is a deficient number, since it is larger than the sum of its proper divisors (12818959).

51950129 is a wasteful number, since it uses less digits than its factorization.

51950129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674695.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 51950129 is about 7207.6437897554. The cubic root of 51950129 is about 373.1317543976.

The spelling of 51950129 in words is "fifty-one million, nine hundred fifty thousand, one hundred twenty-nine".