30055432 has 48 divisors (see below), whose sum is σ = 63081900. Its totient is φ = 13411200.

The previous prime is 30055429. The next prime is 30055453. The reversal of 30055432 is 23455003.

It can be written as a sum of positive squares in 2 ways, for example, as 29528356 + 527076 = 5434^2 + 726^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58794 + ... + 59302.

Almost surely, 2^30055432 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 30055432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31540950).

30055432 is an abundant number, since it is smaller than the sum of its proper divisors (33026468).

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

30055432 is a wasteful number, since it uses less digits than its factorization.

30055432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30055432 is about 5482.2834658562. The cubic root of 30055432 is about 310.9145107470.

The spelling of 30055432 in words is "thirty million, fifty-five thousand, four hundred thirty-two".