51002706 has 32 divisors (see below), whose sum is σ = 106251840. Its totient is φ = 16301376.

The previous prime is 51002701. The next prime is 51002711. The reversal of 51002706 is 60720015.

It is an interprime number because it is at equal distance from previous prime (51002701) and next prime (51002711).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51002701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26385 + ... + 28251.

It is an arithmetic number, because the mean of its divisors is an integer number (3320370).

Almost surely, 2^51002706 is an apocalyptic number.

51002706 is an abundant number, since it is smaller than the sum of its proper divisors (55249134).

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

51002706 is a wasteful number, since it uses less digits than its factorization.

51002706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51002706 is about 7141.6178839252. The cubic root of 51002706 is about 370.8495356413.

The spelling of 51002706 in words is "fifty-one million, two thousand, seven hundred six".