50550780077775 has 18 divisors (see below), whose sum is σ = 90542063873040. Its totient is φ = 26960416041360.

The previous prime is 50550780077767. The next prime is 50550780077779. The reversal of 50550780077775 is 57777008705505.

It is a happy number.

50550780077775 is a `hidden beast` number, since 5 + 0 + 550 + 7 + 8 + 0 + 0 + 7 + 7 + 7 + 75 = 666.

It is not a de Polignac number, because 50550780077775 - 2³ = 50550780077767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550780077779) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112335066615 + ... + 112335067064.

Almost surely, 2^{50550780077775} is an apocalyptic number.

50550780077775 is a deficient number, since it is larger than the sum of its proper divisors (39991283795265).

50550780077775 is a wasteful number, since it uses less digits than its factorization.

50550780077775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224670133695 (or 224670133687 counting only the distinct ones).

The product of its (nonzero) digits is 84035000, while the sum is 63.

The spelling of 50550780077775 in words is "fifty trillion, five hundred fifty billion, seven hundred eighty million, seventy-seven thousand, seven hundred seventy-five".