51550435052 has 12 divisors (see below), whose sum is σ = 90216143976. Its totient is φ = 25774393920.

The previous prime is 51550435007. The next prime is 51550435063. The reversal of 51550435052 is 25053405515.

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, 52349 + ... + 325332.

It is an arithmetic number, because the mean of its divisors is an integer number (7518011998).

Almost surely, 2^51550435052 is an apocalyptic number.

It is an amenable number.

51550435052 is a deficient number, since it is larger than the sum of its proper divisors (38665708924).

51550435052 is a wasteful number, since it uses less digits than its factorization.

51550435052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411808 (or 411806 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 51550435052 in words is "fifty-one billion, five hundred fifty million, four hundred thirty-five thousand, fifty-two".