553305402 has 48 divisors (see below), whose sum is σ = 1298868480. Its totient is φ = 169216416.

The previous prime is 553305397. The next prime is 553305421. The reversal of 553305402 is 204503355.

553305402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×553305402² = 612293735764763208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31999 + ... + 46157.

It is an arithmetic number, because the mean of its divisors is an integer number (27059760).

Almost surely, 2^553305402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553305402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649434240).

553305402 is an abundant number, since it is smaller than the sum of its proper divisors (745563078).

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

553305402 is a wasteful number, since it uses less digits than its factorization.

553305402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347 (or 14344 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 553305402 is about 23522.4446433614. Note that the first 3 decimals coincide. The cubic root of 553305402 is about 820.9593184608.

Adding to 553305402 its reverse (204503355), we get a palindrome (757808757).

The spelling of 553305402 in words is "five hundred fifty-three million, three hundred five thousand, four hundred two".