30452056 has 8 divisors (see below), whose sum is σ = 57097620. Its totient is φ = 15226024.

The previous prime is 30452039. The next prime is 30452057. The reversal of 30452056 is 65025403.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30452056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30452057) 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 as a sum of consecutive naturals, namely, 1903246 + ... + 1903261.

Almost surely, 2^30452056 is an apocalyptic number.

It is an amenable number.

30452056 is a deficient number, since it is larger than the sum of its proper divisors (26645564).

30452056 is a wasteful number, since it uses less digits than its factorization.

30452056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806513 (or 3806509 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 30452056 is about 5518.3381556407. The cubic root of 30452056 is about 312.2761908953.

Adding to 30452056 its reverse (65025403), we get a palindrome (95477459).

The spelling of 30452056 in words is "thirty million, four hundred fifty-two thousand, fifty-six".