555022401 has 8 divisors (see below), whose sum is σ = 747215040. Its totient is φ = 366422352.

The previous prime is 555022399. The next prime is 555022421. The reversal of 555022401 is 104220555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555022401 - 2¹ = 555022399 is a prime.

It is a super-2 number, since 2×555022401² = 616099731223609602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897786 + ... + 898403.

It is an arithmetic number, because the mean of its divisors is an integer number (93401880).

Almost surely, 2^555022401 is an apocalyptic number.

It is an amenable number.

555022401 is a deficient number, since it is larger than the sum of its proper divisors (192192639).

555022401 is a wasteful number, since it uses less digits than its factorization.

555022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796295.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 555022401 is about 23558.9134087292. The cubic root of 555022401 is about 821.8076328345.

Adding to 555022401 its reverse (104220555), we get a palindrome (659242956).

The spelling of 555022401 in words is "five hundred fifty-five million, twenty-two thousand, four hundred one".