50134436550 has 144 divisors (see below), whose sum is σ = 147280573440. Its totient is φ = 12125592000.

The previous prime is 50134436543. The next prime is 50134436557. The reversal of 50134436550 is 5563443105.

50134436550 is a `hidden beast` number, since 50 + 13 + 4 + 43 + 6 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (50134436543) and next prime (50134436557).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50134436557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2161515 + ... + 2184585.

It is an arithmetic number, because the mean of its divisors is an integer number (1022781760).

Almost surely, 2^50134436550 is an apocalyptic number.

50134436550 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 50134436550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73640286720).

50134436550 is an abundant number, since it is smaller than the sum of its proper divisors (97146136890).

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

50134436550 is a wasteful number, since it uses less digits than its factorization.

50134436550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23539 (or 23531 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 50134436550 its reverse (5563443105), we get a palindrome (55697879655).

It can be divided in two parts, 50134 and 436550, that added together give a palindrome (486684).

The spelling of 50134436550 in words is "fifty billion, one hundred thirty-four million, four hundred thirty-six thousand, five hundred fifty".