30552213 has 24 divisors (see below), whose sum is σ = 43765920. Its totient is φ = 18952960.

The previous prime is 30552191. The next prime is 30552251. The reversal of 30552213 is 31225503.

It is not a de Polignac number, because 30552213 - 2¹⁰ = 30551189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30552213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30552253) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 113443 + ... + 113711.

It is an arithmetic number, because the mean of its divisors is an integer number (1823580).

Almost surely, 2^30552213 is an apocalyptic number.

It is an amenable number.

30552213 is a deficient number, since it is larger than the sum of its proper divisors (13213707).

30552213 is a wasteful number, since it uses less digits than its factorization.

30552213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30552213 is about 5527.4056301306. The cubic root of 30552213 is about 312.6181756781.

Adding to 30552213 its reverse (31225503), we get a palindrome (61777716).

The spelling of 30552213 in words is "thirty million, five hundred fifty-two thousand, two hundred thirteen".