30555480 has 64 divisors (see below), whose sum is σ = 92728800. Its totient is φ = 8053760.

The previous prime is 30555463. The next prime is 30555493. The reversal of 30555480 is 8455503.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 9250 + ... + 12110.

Almost surely, 2^30555480 is an apocalyptic number.

30555480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30555480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46364400).

30555480 is an abundant number, since it is smaller than the sum of its proper divisors (62173320).

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

30555480 is a wasteful number, since it uses less digits than its factorization.

30555480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 30555480 is about 5527.7011496643. The cubic root of 30555480 is about 312.6293182117.

The spelling of 30555480 in words is "thirty million, five hundred fifty-five thousand, four hundred eighty".