30213550 has 24 divisors (see below), whose sum is σ = 56916000. Its totient is φ = 11930880.

The previous prime is 30213541. The next prime is 30213593. The reversal of 30213550 is 5531203.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 126 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (2371500).

Almost surely, 2^30213550 is an apocalyptic number.

30213550 is a deficient number, since it is larger than the sum of its proper divisors (26702450).

30213550 is a wasteful number, since it uses less digits than its factorization.

30213550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30213550 is about 5496.6853648358. The cubic root of 30213550 is about 311.4587853100.

Adding to 30213550 its reverse (5531203), we get a palindrome (35744753).

The spelling of 30213550 in words is "thirty million, two hundred thirteen thousand, five hundred fifty".