50550551000 has 64 divisors (see below), whose sum is σ = 120293316000. Its totient is φ = 19877481600.

The previous prime is 50550550951. The next prime is 50550551003. The reversal of 50550551000 is 15505505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550551003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369395 + ... + 487394.

Almost surely, 2^50550551000 is an apocalyptic number.

50550551000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50550551000 is an abundant number, since it is smaller than the sum of its proper divisors (69742765000).

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

50550551000 is a wasteful number, since it uses less digits than its factorization.

50550551000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856869 (or 856855 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 50550551000 in words is "fifty billion, five hundred fifty million, five hundred fifty-one thousand".