51867006 has 8 divisors (see below), whose sum is σ = 103734024. Its totient is φ = 17289000.

The previous prime is 51866981. The next prime is 51867031. The reversal of 51867006 is 60076815.

It is an interprime number because it is at equal distance from previous prime (51866981) and next prime (51867031).

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

51867006 is an admirable number.

It is a super-2 number, since 2×51867006² = 5380372622808072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322245 + ... + 4322256.

It is an arithmetic number, because the mean of its divisors is an integer number (12966753).

Almost surely, 2^51867006 is an apocalyptic number.

51867006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51867006 is a wasteful number, since it uses less digits than its factorization.

51867006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644506.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 51867006 is about 7201.8751724811. The cubic root of 51867006 is about 372.9326378701.

The spelling of 51867006 in words is "fifty-one million, eight hundred sixty-seven thousand, six".