51858130 has 8 divisors (see below), whose sum is σ = 93344652. Its totient is φ = 20743248.

The previous prime is 51858047. The next prime is 51858161. The reversal of 51858130 is 3185815.

51858130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49688401 + 2169729 = 7049^2 + 1473^2 .

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 = 51858092 and 51858101.

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, 2592897 + ... + 2592916.

Almost surely, 2^51858130 is an apocalyptic number.

51858130 is a deficient number, since it is larger than the sum of its proper divisors (41486522).

51858130 is a wasteful number, since it uses less digits than its factorization.

51858130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185820.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 51858130 is about 7201.2589177171. The cubic root of 51858130 is about 372.9113633374.

The spelling of 51858130 in words is "fifty-one million, eight hundred fifty-eight thousand, one hundred thirty".