51950195 has 16 divisors (see below), whose sum is σ = 68167008. Its totient is φ = 37693440.

The previous prime is 51950189. The next prime is 51950207. The reversal of 51950195 is 59105915.

It is a happy number.

51950195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51950195 - 2⁴ = 51950179 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 30917 + ... + 32553.

It is an arithmetic number, because the mean of its divisors is an integer number (4260438).

Almost surely, 2^51950195 is an apocalyptic number.

51950195 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51950195 is a deficient number, since it is larger than the sum of its proper divisors (16216813).

51950195 is a wasteful number, since it uses less digits than its factorization.

51950195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 10125, while the sum is 35.

The square root of 51950195 is about 7207.6483682266. The cubic root of 51950195 is about 373.1319124125.

The spelling of 51950195 in words is "fifty-one million, nine hundred fifty thousand, one hundred ninety-five".