51761162548 has 12 divisors (see below), whose sum is σ = 90688232740. Its totient is φ = 25850238912.

The previous prime is 51761162507. The next prime is 51761162591. The reversal of 51761162548 is 84526116715.

It can be written as a sum of positive squares in 2 ways, for example, as 4018038544 + 47743124004 = 63388^2 + 218502^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51761162498 and 51761162507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7581753 + ... + 7588576.

Almost surely, 2^51761162548 is an apocalyptic number.

It is an amenable number.

51761162548 is a deficient number, since it is larger than the sum of its proper divisors (38927070192).

51761162548 is a wasteful number, since it uses less digits than its factorization.

51761162548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171186 (or 15171184 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 51761162548 in words is "fifty-one billion, seven hundred sixty-one million, one hundred sixty-two thousand, five hundred forty-eight".