51158230 has 8 divisors (see below), whose sum is σ = 92084832. Its totient is φ = 20463288.

The previous prime is 51158227. The next prime is 51158249. The reversal of 51158230 is 3285115.

It is a happy number.

51158230 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 junction number, because it is equal to n+sod(n) for n = 51158195 and 51158204.

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, 2557902 + ... + 2557921.

It is an arithmetic number, because the mean of its divisors is an integer number (11510604).

Almost surely, 2^51158230 is an apocalyptic number.

51158230 is a deficient number, since it is larger than the sum of its proper divisors (40926602).

51158230 is a wasteful number, since it uses less digits than its factorization.

51158230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115830.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 51158230 is about 7152.4981649770. The cubic root of 51158230 is about 371.2261004843.

The spelling of 51158230 in words is "fifty-one million, one hundred fifty-eight thousand, two hundred thirty".