51572006 has 16 divisors (see below), whose sum is σ = 80044416. Its totient is φ = 24901056.

The previous prime is 51571963. The next prime is 51572041. The reversal of 51572006 is 60027515.

51572006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7595 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (5002776).

Almost surely, 2^51572006 is an apocalyptic number.

51572006 is a deficient number, since it is larger than the sum of its proper divisors (28472410).

51572006 is a wasteful number, since it uses less digits than its factorization.

51572006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51572006 is about 7181.3651905470. The cubic root of 51572006 is about 372.2242596986.

The spelling of 51572006 in words is "fifty-one million, five hundred seventy-two thousand, six".