30552420 has 48 divisors (see below), whose sum is σ = 85857408. Its totient is φ = 8117760.

The previous prime is 30552413. The next prime is 30552427. The reversal of 30552420 is 2425503.

It is an interprime number because it is at equal distance from previous prime (30552413) and next prime (30552427).

It is not an unprimeable number, because it can be changed into a prime (30552427) 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 15 ways as a sum of consecutive naturals, for example, 19465 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (1788696).

Almost surely, 2^30552420 is an apocalyptic number.

30552420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30552420 is an abundant number, since it is smaller than the sum of its proper divisors (55304988).

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

30552420 is a wasteful number, since it uses less digits than its factorization.

30552420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30552420 is about 5527.4243549776. The cubic root of 30552420 is about 312.6188817024.

Adding to 30552420 its reverse (2425503), we get a palindrome (32977923).

It can be divided in two parts, 305 and 52420, that added together give a palindrome (52725).

The spelling of 30552420 in words is "thirty million, five hundred fifty-two thousand, four hundred twenty".