51250166 has 8 divisors (see below), whose sum is σ = 83863944. Its totient is φ = 23295520.

The previous prime is 51250159. The next prime is 51250181. The reversal of 51250166 is 66105215.

51250166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1164755 + ... + 1164798.

It is an arithmetic number, because the mean of its divisors is an integer number (10482993).

Almost surely, 2^51250166 is an apocalyptic number.

51250166 is a deficient number, since it is larger than the sum of its proper divisors (32613778).

51250166 is a wasteful number, since it uses less digits than its factorization.

51250166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329566.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51250166 is about 7158.9221255717. The cubic root of 51250166 is about 371.4483431149.

The spelling of 51250166 in words is "fifty-one million, two hundred fifty thousand, one hundred sixty-six".