51830005 has 8 divisors (see below), whose sum is σ = 65469600. Its totient is φ = 39281616.

The previous prime is 51830003. The next prime is 51830021. The reversal of 51830005 is 50003815.

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

It is a cyclic number.

It is not a de Polignac number, because 51830005 - 2¹ = 51830003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51830003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272695 + ... + 272884.

It is an arithmetic number, because the mean of its divisors is an integer number (8183700).

Almost surely, 2^51830005 is an apocalyptic number.

It is an amenable number.

51830005 is a deficient number, since it is larger than the sum of its proper divisors (13639595).

51830005 is a wasteful number, since it uses less digits than its factorization.

51830005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545603.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51830005 is about 7199.3058693182. The cubic root of 51830005 is about 372.8439356025.

The spelling of 51830005 in words is "fifty-one million, eight hundred thirty thousand, five".