50551310550 has 96 divisors (see below), whose sum is σ = 135388834560. Its totient is φ = 12408566400.

The previous prime is 50551310543. The next prime is 50551310573. The reversal of 50551310550 is 5501315505.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 663945 + ... + 736155.

It is an arithmetic number, because the mean of its divisors is an integer number (1410300360).

Almost surely, 2^50551310550 is an apocalyptic number.

50551310550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50551310550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67694417280).

50551310550 is an abundant number, since it is smaller than the sum of its proper divisors (84837524010).

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

50551310550 is a wasteful number, since it uses less digits than its factorization.

50551310550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72598 (or 72593 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 30.

The spelling of 50551310550 in words is "fifty billion, five hundred fifty-one million, three hundred ten thousand, five hundred fifty".