50212451550 has 96 divisors (see below), whose sum is σ = 125577891072. Its totient is φ = 13277364480.

The previous prime is 50212451543. The next prime is 50212451671. The reversal of 50212451550 is 5515421205.

It is a super-2 number, since 2×50212451550² (a number of 22 digits) contains 22 as substring.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11905042 + ... + 11909258.

It is an arithmetic number, because the mean of its divisors is an integer number (1308103032).

Almost surely, 2^50212451550 is an apocalyptic number.

50212451550 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 50212451550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62788945536).

50212451550 is an abundant number, since it is smaller than the sum of its proper divisors (75365439522).

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

50212451550 is a wasteful number, since it uses less digits than its factorization.

50212451550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4877 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 50212451550 its reverse (5515421205), we get a palindrome (55727872755).

The spelling of 50212451550 in words is "fifty billion, two hundred twelve million, four hundred fifty-one thousand, five hundred fifty".