550645235514 has 256 divisors, whose sum is σ = 1384239974400. Its totient is φ = 160835673600.

The previous prime is 550645235513. The next prime is 550645235521. The reversal of 550645235514 is 415532546055.

550645235514 is a `hidden beast` number, since 5 + 5 + 0 + 64 + 523 + 55 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 550645235514.

It is not an unprimeable number, because it can be changed into a prime (550645235513) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 473469097 + ... + 473470259.

It is an arithmetic number, because the mean of its divisors is an integer number (5407187400).

Almost surely, 2^550645235514 is an apocalyptic number.

550645235514 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550645235514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692119987200).

550645235514 is an abundant number, since it is smaller than the sum of its proper divisors (833594738886).

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

550645235514 is a wasteful number, since it uses less digits than its factorization.

550645235514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 550645235514 in words is "five hundred fifty billion, six hundred forty-five million, two hundred thirty-five thousand, five hundred fourteen".