50550030 has 24 divisors (see below), whose sum is σ = 131430312. Its totient is φ = 13479984.

The previous prime is 50550023. The next prime is 50550047. The reversal of 50550030 is 3005505.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50549985 and 50550012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280744 + ... + 280923.

It is an arithmetic number, because the mean of its divisors is an integer number (5476263).

Almost surely, 2^50550030 is an apocalyptic number.

50550030 is an abundant number, since it is smaller than the sum of its proper divisors (80880282).

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

50550030 is a wasteful number, since it uses less digits than its factorization.

50550030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561680 (or 561677 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 50550030 is about 7109.8544288895. The cubic root of 50550030 is about 369.7491116310.

Adding to 50550030 its reverse (3005505), we get a palindrome (53555535).

The spelling of 50550030 in words is "fifty million, five hundred fifty thousand, thirty".