51555156150 has 24 divisors (see below), whose sum is σ = 127856787624. Its totient is φ = 13748041600.

The previous prime is 51555156101. The next prime is 51555156173. The reversal of 51555156150 is 5165155515.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51555156099 and 51555156108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171850371 + ... + 171850670.

It is an arithmetic number, because the mean of its divisors is an integer number (5327366151).

Almost surely, 2^51555156150 is an apocalyptic number.

51555156150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51555156150 is an abundant number, since it is smaller than the sum of its proper divisors (76301631474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51555156150 is a wasteful number, since it uses less digits than its factorization.

51555156150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343701056 (or 343701051 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 51555156150 in words is "fifty-one billion, five hundred fifty-five million, one hundred fifty-six thousand, one hundred fifty".