30055240 has 32 divisors (see below), whose sum is σ = 68905080. Its totient is φ = 11794432.

The previous prime is 30055229. The next prime is 30055253. The reversal of 30055240 is 4255003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30052324 + 2916 = 5482^2 + 54^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4969 + ... + 9208.

Almost surely, 2^30055240 is an apocalyptic number.

It is an amenable number.

30055240 is an abundant number, since it is smaller than the sum of its proper divisors (38849840).

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

30055240 is a wasteful number, since it uses less digits than its factorization.

30055240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241 (or 14237 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30055240 is about 5482.2659548767. The cubic root of 30055240 is about 310.9138486846.

The spelling of 30055240 in words is "thirty million, fifty-five thousand, two hundred forty".