30164550 has 96 divisors (see below), whose sum is σ = 83328000. Its totient is φ = 7171200.

The previous prime is 30164531. The next prime is 30164557. The reversal of 30164550 is 5546103.

It is a self number, because there is not a number n which added to its sum of digits gives 30164550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30164557) 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 47 ways as a sum of consecutive naturals, for example, 60201 + ... + 60699.

It is an arithmetic number, because the mean of its divisors is an integer number (868000).

Almost surely, 2^30164550 is an apocalyptic number.

30164550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30164550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41664000).

30164550 is an abundant number, since it is smaller than the sum of its proper divisors (53163450).

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

30164550 is a wasteful number, since it uses less digits than its factorization.

30164550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30164550 is about 5492.2263245427. The cubic root of 30164550 is about 311.2903207389.

The spelling of 30164550 in words is "thirty million, one hundred sixty-four thousand, five hundred fifty".