51534733766 has 16 divisors (see below), whose sum is σ = 79625040768. Its totient is φ = 24999998400.

The previous prime is 51534733753. The next prime is 51534733769. The reversal of 51534733766 is 66733743515.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534733769) by changing a digit.

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, 1721270 + ... + 1750953.

It is an arithmetic number, because the mean of its divisors is an integer number (4976565048).

Almost surely, 2^51534733766 is an apocalyptic number.

51534733766 is a deficient number, since it is larger than the sum of its proper divisors (28090307002).

51534733766 is a wasteful number, since it uses less digits than its factorization.

51534733766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472447.

The product of its digits is 4762800, while the sum is 50.

The spelling of 51534733766 in words is "fifty-one billion, five hundred thirty-four million, seven hundred thirty-three thousand, seven hundred sixty-six".