51166254 has 16 divisors (see below), whose sum is σ = 102786048. Its totient is φ = 16979832.

The previous prime is 51166231. The next prime is 51166261. The reversal of 51166254 is 45266115.

51166254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 17422 + ... + 20145.

It is an arithmetic number, because the mean of its divisors is an integer number (6424128).

Almost surely, 2^51166254 is an apocalyptic number.

51166254 is an abundant number, since it is smaller than the sum of its proper divisors (51619794).

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

51166254 is a wasteful number, since it uses less digits than its factorization.

51166254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37799.

The product of its digits is 7200, while the sum is 30.

The square root of 51166254 is about 7153.0590658822. The cubic root of 51166254 is about 371.2455080004.

The spelling of 51166254 in words is "fifty-one million, one hundred sixty-six thousand, two hundred fifty-four".