50351550 has 48 divisors (see below), whose sum is σ = 126122880. Its totient is φ = 13292640.

The previous prime is 50351503. The next prime is 50351573. The reversal of 50351550 is 5515305.

It is a self number, because there is not a number n which added to its sum of digits gives 50351550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13821 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (2627560).

Almost surely, 2^50351550 is an apocalyptic number.

50351550 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 50351550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63061440).

50351550 is an abundant number, since it is smaller than the sum of its proper divisors (75771330).

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

50351550 is a wasteful number, since it uses less digits than its factorization.

50351550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3372 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 50351550 is about 7095.8826089501. The cubic root of 50351550 is about 369.2645483586.

Adding to 50351550 its reverse (5515305), we get a palindrome (55866855).

The spelling of 50351550 in words is "fifty million, three hundred fifty-one thousand, five hundred fifty".