553305401 has 4 divisors (see below), whose sum is σ = 603605904. Its totient is φ = 503004900.

The previous prime is 553305397. The next prime is 553305421. The reversal of 553305401 is 104503355.

553305401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553305401 - 2² = 553305397 is a prime.

It is a super-2 number, since 2×553305401² = 612293733551541602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553305421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25150235 + ... + 25150256.

It is an arithmetic number, because the mean of its divisors is an integer number (150901476).

Almost surely, 2^553305401 is an apocalyptic number.

It is an amenable number.

553305401 is a deficient number, since it is larger than the sum of its proper divisors (50300503).

553305401 is a wasteful number, since it uses less digits than its factorization.

553305401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50300502.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 553305401 is about 23522.4446221051. Note that the first 3 decimals coincide. The cubic root of 553305401 is about 820.9593179662.

Adding to 553305401 its reverse (104503355), we get a palindrome (657808756).

The spelling of 553305401 in words is "five hundred fifty-three million, three hundred five thousand, four hundred one".