51028507760 has 20 divisors (see below), whose sum is σ = 118641280728. Its totient is φ = 20411403072.

The previous prime is 51028507729. The next prime is 51028507763. The reversal of 51028507760 is 6770582015.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51028507763) 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 3 ways as a sum of consecutive naturals, for example, 318928094 + ... + 318928253.

Almost surely, 2^51028507760 is an apocalyptic number.

It is an amenable number.

51028507760 is an abundant number, since it is smaller than the sum of its proper divisors (67612772968).

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

51028507760 is a wasteful number, since it uses less digits than its factorization.

51028507760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637856360 (or 637856354 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 51028507760 in words is "fifty-one billion, twenty-eight million, five hundred seven thousand, seven hundred sixty".