51502241004 has 24 divisors (see below), whose sum is σ = 120191951040. Its totient is φ = 17164548624.

The previous prime is 51502240991. The next prime is 51502241029. The reversal of 51502241004 is 40014220515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282594 + ... + 427625.

It is an arithmetic number, because the mean of its divisors is an integer number (5007997960).

Almost surely, 2^51502241004 is an apocalyptic number.

It is an amenable number.

51502241004 is an abundant number, since it is smaller than the sum of its proper divisors (68689710036).

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

51502241004 is a wasteful number, since it uses less digits than its factorization.

51502241004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716269 (or 716267 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 51502241004 its reverse (40014220515), we get a palindrome (91516461519).

The spelling of 51502241004 in words is "fifty-one billion, five hundred two million, two hundred forty-one thousand, four".