30663552 has 64 divisors (see below), whose sum is σ = 83232000. Its totient is φ = 9997824.

The previous prime is 30663533. The next prime is 30663559. The reversal of 30663552 is 25536603.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30663559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17199 + ... + 18897.

It is an arithmetic number, because the mean of its divisors is an integer number (1300500).

Almost surely, 2^30663552 is an apocalyptic number.

30663552 is a gapful number since it is divisible by the number (32) 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 30663552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41616000).

30663552 is an abundant number, since it is smaller than the sum of its proper divisors (52568448).

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

30663552 is a wasteful number, since it uses less digits than its factorization.

30663552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 30663552 is about 5537.4680134516. The cubic root of 30663552 is about 312.9974651640.

The spelling of 30663552 in words is "thirty million, six hundred sixty-three thousand, five hundred fifty-two".