30102552 has 48 divisors (see below), whose sum is σ = 82077840. Its totient is φ = 9966528.

The previous prime is 30102521. The next prime is 30102577. The reversal of 30102552 is 25520103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9973 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (1709955).

Almost surely, 2^30102552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41038920).

30102552 is an abundant number, since it is smaller than the sum of its proper divisors (51975288).

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

30102552 is a wasteful number, since it uses less digits than its factorization.

30102552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30102552 is about 5486.5792621633. The cubic root of 30102552 is about 311.0769067082.

Adding to 30102552 its reverse (25520103), we get a palindrome (55622655).

The spelling of 30102552 in words is "thirty million, one hundred two thousand, five hundred fifty-two".