51887066744 has 32 divisors (see below), whose sum is σ = 98765049600. Its totient is φ = 25549914720.

The previous prime is 51887066741. The next prime is 51887066813. The reversal of 51887066744 is 44766078815.

It is a happy number.

51887066744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51887066744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51887066741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691299 + ... + 2710509.

It is an arithmetic number, because the mean of its divisors is an integer number (3086407800).

Almost surely, 2^51887066744 is an apocalyptic number.

It is an amenable number.

51887066744 is a deficient number, since it is larger than the sum of its proper divisors (46877982856).

51887066744 is a wasteful number, since it uses less digits than its factorization.

51887066744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24323 (or 24319 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 51887066744 in words is "fifty-one billion, eight hundred eighty-seven million, sixty-six thousand, seven hundred forty-four".