557412961 has 4 divisors (see below), whose sum is σ = 637043392. Its totient is φ = 477782532.

The previous prime is 557412941. The next prime is 557413001. The reversal of 557412961 is 169214755.

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 an emirpimes, since its reverse is a distinct semiprime: 169214755 = 5 ⋅33842951.

It is a cyclic number.

It is not a de Polignac number, because 557412961 - 2⁵ = 557412929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557412901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39815205 + ... + 39815218.

It is an arithmetic number, because the mean of its divisors is an integer number (159260848).

Almost surely, 2^557412961 is an apocalyptic number.

It is an amenable number.

557412961 is a deficient number, since it is larger than the sum of its proper divisors (79630431).

557412961 is an equidigital number, since it uses as much as digits as its factorization.

557412961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79630430.

The product of its digits is 75600, while the sum is 40.

The square root of 557412961 is about 23609.5946809766. The cubic root of 557412961 is about 822.9858234840.

The spelling of 557412961 in words is "five hundred fifty-seven million, four hundred twelve thousand, nine hundred sixty-one".