51819158 has 8 divisors (see below), whose sum is σ = 77888520. Its totient is φ = 25856320.

The previous prime is 51819151. The next prime is 51819191. The reversal of 51819158 is 85191815.

It is a happy number.

51819158 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 Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51819151) by changing a digit.

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, 25403 + ... + 27366.

It is an arithmetic number, because the mean of its divisors is an integer number (9736065).

Almost surely, 2^51819158 is an apocalyptic number.

51819158 is a deficient number, since it is larger than the sum of its proper divisors (26069362).

51819158 is a wasteful number, since it uses less digits than its factorization.

51819158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53262.

The product of its digits is 14400, while the sum is 38.

The square root of 51819158 is about 7198.5524933837. The cubic root of 51819158 is about 372.8179241552.

The spelling of 51819158 in words is "fifty-one million, eight hundred nineteen thousand, one hundred fifty-eight".