50015550090 has 32 divisors (see below), whose sum is σ = 130949804736. Its totient is φ = 12124981760.

The previous prime is 50015550047. The next prime is 50015550139. The reversal of 50015550090 is 9005551005.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75780807 + ... + 75781466.

It is an arithmetic number, because the mean of its divisors is an integer number (4092181398).

Almost surely, 2^50015550090 is an apocalyptic number.

50015550090 is an abundant number, since it is smaller than the sum of its proper divisors (80934254646).

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

50015550090 is a wasteful number, since it uses less digits than its factorization.

50015550090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151562294.

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 50015550090 in words is "fifty billion, fifteen million, five hundred fifty thousand, ninety".