51523249376 has 24 divisors (see below), whose sum is σ = 101917151784. Its totient is φ = 25639528320.

The previous prime is 51523249289. The next prime is 51523249397. The reversal of 51523249376 is 67394232515.

It is a super-2 number, since 2×51523249376² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51523249376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808655 + ... + 3822158.

It is an arithmetic number, because the mean of its divisors is an integer number (4246547991).

Almost surely, 2^51523249376 is an apocalyptic number.

It is an amenable number.

51523249376 is a deficient number, since it is larger than the sum of its proper divisors (50393902408).

51523249376 is a wasteful number, since it uses less digits than its factorization.

51523249376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631034 (or 7631026 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 47.

The spelling of 51523249376 in words is "fifty-one billion, five hundred twenty-three million, two hundred forty-nine thousand, three hundred seventy-six".