51032006 has 4 divisors (see below), whose sum is σ = 76548012. Its totient is φ = 25516002.

The previous prime is 51031999. The next prime is 51032017. The reversal of 51032006 is 60023015.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 12758000 + ... + 12758003.

It is an arithmetic number, because the mean of its divisors is an integer number (19137003).

Almost surely, 2^51032006 is an apocalyptic number.

51032006 is a deficient number, since it is larger than the sum of its proper divisors (25516006).

51032006 is a wasteful number, since it uses less digits than its factorization.

51032006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516005.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 51032006 is about 7143.6689452969. The cubic root of 51032006 is about 370.9205371768.

The spelling of 51032006 in words is "fifty-one million, thirty-two thousand, six".