50455609077780 has 192 divisors, whose sum is σ = 157359954984960. Its totient is φ = 13421701814400.

The previous prime is 50455609077739. The next prime is 50455609077833. The reversal of 50455609077780 is 8777090655405.

50455609077780 is a `hidden beast` number, since 5 + 0 + 4 + 556 + 0 + 9 + 0 + 7 + 7 + 78 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369713517 + ... + 369849963.

It is an arithmetic number, because the mean of its divisors is an integer number (819583098880).

Almost surely, 2^{50455609077780} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50455609077780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78679977492480).

50455609077780 is an abundant number, since it is smaller than the sum of its proper divisors (106904345907180).

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

50455609077780 is a wasteful number, since it uses less digits than its factorization.

50455609077780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138147 (or 138139 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

The spelling of 50455609077780 in words is "fifty trillion, four hundred fifty-five billion, six hundred nine million, seventy-seven thousand, seven hundred eighty".