30053980 has 48 divisors (see below), whose sum is σ = 69481440. Its totient is φ = 10919040.

The previous prime is 30053963. The next prime is 30053981. The reversal of 30053980 is 8935003.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30053981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26056 + ... + 27184.

It is an arithmetic number, because the mean of its divisors is an integer number (1447530).

Almost surely, 2^30053980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30053980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34740720).

30053980 is an abundant number, since it is smaller than the sum of its proper divisors (39427460).

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

30053980 is a wasteful number, since it uses less digits than its factorization.

30053980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30053980 is about 5482.1510376858. The cubic root of 30053980 is about 310.9095038302.

Adding to 30053980 its reverse (8935003), we get a palindrome (38988983).

The spelling of 30053980 in words is "thirty million, fifty-three thousand, nine hundred eighty".