51002879 has 8 divisors (see below), whose sum is σ = 52283568. Its totient is φ = 49737600.

The previous prime is 51002869. The next prime is 51002899. The reversal of 51002879 is 97820015.

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

It is a cyclic number.

It is not a de Polignac number, because 51002879 - 2¹⁶ = 50937343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2999 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (6535446).

Almost surely, 2^51002879 is an apocalyptic number.

51002879 is a deficient number, since it is larger than the sum of its proper divisors (1280689).

51002879 is a wasteful number, since it uses less digits than its factorization.

51002879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 51002879 is about 7141.6299960163. The cubic root of 51002879 is about 370.8499549452.

The spelling of 51002879 in words is "fifty-one million, two thousand, eight hundred seventy-nine".