557324401 has 4 divisors (see below), whose sum is σ = 557375472. Its totient is φ = 557273332.

The previous prime is 557324389. The next prime is 557324483. The reversal of 557324401 is 104423755.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104423755 = 5 ⋅20884751.

It is a cyclic number.

It is not a de Polignac number, because 557324401 - 2¹⁹ = 556800113 is a prime.

It is a super-2 number, since 2×557324401² = 621220975900017602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557324491) 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 3 ways as a sum of consecutive naturals, for example, 1831 + ... + 33436.

It is an arithmetic number, because the mean of its divisors is an integer number (139343868).

Almost surely, 2^557324401 is an apocalyptic number.

It is an amenable number.

557324401 is a deficient number, since it is larger than the sum of its proper divisors (51071).

557324401 is a wasteful number, since it uses less digits than its factorization.

557324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51070.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 557324401 is about 23607.7190977866. The cubic root of 557324401 is about 822.9422367181.

The spelling of 557324401 in words is "five hundred fifty-seven million, three hundred twenty-four thousand, four hundred one".