51002760 has 64 divisors (see below), whose sum is σ = 153478080. Its totient is φ = 13559040.

The previous prime is 51002741. The next prime is 51002813. The reversal of 51002760 is 6720015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76830 + ... + 77490.

It is an arithmetic number, because the mean of its divisors is an integer number (2398095).

Almost surely, 2^51002760 is an apocalyptic number.

It is an amenable number.

51002760 is an abundant number, since it is smaller than the sum of its proper divisors (102475320).

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

51002760 is a wasteful number, since it uses less digits than its factorization.

51002760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1314 counting only the distinct ones).

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

The square root of 51002760 is about 7141.6216645801. The cubic root of 51002760 is about 370.8496665224.

Adding to 51002760 its reverse (6720015), we get a palindrome (57722775).

The spelling of 51002760 in words is "fifty-one million, two thousand, seven hundred sixty".