50345550 has 120 divisors (see below), whose sum is σ = 144758592. Its totient is φ = 12960000.

The previous prime is 50345543. The next prime is 50345563. The reversal of 50345550 is 5554305.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 125350 + ... + 125750.

Almost surely, 2^50345550 is an apocalyptic number.

50345550 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 50345550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72379296).

50345550 is an abundant number, since it is smaller than the sum of its proper divisors (94413042).

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

50345550 is a wasteful number, since it uses less digits than its factorization.

50345550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 50345550 is about 7095.4598159668. The cubic root of 50345550 is about 369.2498803209.

Adding to 50345550 its reverse (5554305), we get a palindrome (55899855).

The spelling of 50345550 in words is "fifty million, three hundred forty-five thousand, five hundred fifty".