553542330 has 96 divisors (see below), whose sum is σ = 1474704000. Its totient is φ = 132865920.

The previous prime is 553542313. The next prime is 553542331. The reversal of 553542330 is 33245355.

It is a super-2 number, since 2×553542330² = 612818222203657800, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553542331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394971 + ... + 396369.

It is an arithmetic number, because the mean of its divisors is an integer number (15361500).

Almost surely, 2^553542330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553542330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737352000).

553542330 is an abundant number, since it is smaller than the sum of its proper divisors (921161670).

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

553542330 is a wasteful number, since it uses less digits than its factorization.

553542330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 553542330 is about 23527.4803155799. The cubic root of 553542330 is about 821.0764812984.

Adding to 553542330 its reverse (33245355), we get a palindrome (586787685).

The spelling of 553542330 in words is "five hundred fifty-three million, five hundred forty-two thousand, three hundred thirty".