50280030 has 48 divisors (see below), whose sum is σ = 131137344. Its totient is φ = 13366080.

The previous prime is 50280019. The next prime is 50280037. The reversal of 50280030 is 3008205.

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 = 50279985 and 50280012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50280037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37227 + ... + 38553.

It is an arithmetic number, because the mean of its divisors is an integer number (2732028).

Almost surely, 2^50280030 is an apocalyptic number.

50280030 is an abundant number, since it is smaller than the sum of its proper divisors (80857314).

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

50280030 is a wasteful number, since it uses less digits than its factorization.

50280030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50280030 is about 7090.8412758995. The cubic root of 50280030 is about 369.0896294491.

Adding to 50280030 its reverse (3008205), we get a palindrome (53288235).

The spelling of 50280030 in words is "fifty million, two hundred eighty thousand, thirty".