50666615015550 has 24 divisors (see below), whose sum is σ = 125653205238936. Its totient is φ = 13511097337440.

The previous prime is 50666615015531. The next prime is 50666615015563. The reversal of 50666615015550 is 5551051666605.

It is a junction number, because it is equal to n+sod(n) for n = 50666615015493 and 50666615015502.

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, 168888716569 + ... + 168888716868.

It is an arithmetic number, because the mean of its divisors is an integer number (5235550218289).

Almost surely, 2^{50666615015550} is an apocalyptic number.

50666615015550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50666615015550 is an abundant number, since it is smaller than the sum of its proper divisors (74986590223386).

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

50666615015550 is a wasteful number, since it uses less digits than its factorization.

50666615015550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337777433452 (or 337777433447 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 50666615015550 in words is "fifty trillion, six hundred sixty-six billion, six hundred fifteen million, fifteen thousand, five hundred fifty".