51669006 has 8 divisors (see below), whose sum is σ = 103338024. Its totient is φ = 17223000.

The previous prime is 51668987. The next prime is 51669019. The reversal of 51669006 is 60096615.

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

51669006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4305745 + ... + 4305756.

It is an arithmetic number, because the mean of its divisors is an integer number (12917253).

Almost surely, 2^51669006 is an apocalyptic number.

51669006 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.

51669006 is a wasteful number, since it uses less digits than its factorization.

51669006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611506.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 51669006 is about 7188.1156084192. The cubic root of 51669006 is about 372.4574814464.

The spelling of 51669006 in words is "fifty-one million, six hundred sixty-nine thousand, six".