51352516645828 has 48 divisors (see below), whose sum is σ = 99307298643840. Its totient is φ = 23111239145984.

The previous prime is 51352516645823. The next prime is 51352516645949. The reversal of 51352516645828 is 82854661525315.

It is not an unprimeable number, because it can be changed into a prime (51352516645823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328758 + ... + 11948146.

It is an arithmetic number, because the mean of its divisors is an integer number (2068902055080).

Almost surely, 2^{51352516645828} is an apocalyptic number.

It is an amenable number.

51352516645828 is a deficient number, since it is larger than the sum of its proper divisors (47954781998012).

51352516645828 is a wasteful number, since it uses less digits than its factorization.

51352516645828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625276 (or 5625274 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 61.

The spelling of 51352516645828 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred forty-five thousand, eight hundred twenty-eight".