557461426 has 4 divisors (see below), whose sum is σ = 836192142. Its totient is φ = 278730712.

The previous prime is 557461409. The next prime is 557461427. The reversal of 557461426 is 624164755.

It is a happy number.

557461426 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.

It can be written as a sum of positive squares in only one way, i.e., 411075625 + 146385801 = 20275^2 + 12099^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (557461427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139365355 + ... + 139365358.

Almost surely, 2^557461426 is an apocalyptic number.

557461426 is a deficient number, since it is larger than the sum of its proper divisors (278730716).

557461426 is a wasteful number, since it uses less digits than its factorization.

557461426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278730715.

The product of its digits is 201600, while the sum is 40.

The square root of 557461426 is about 23610.6210422344. The cubic root of 557461426 is about 823.0096746529.

The spelling of 557461426 in words is "five hundred fifty-seven million, four hundred sixty-one thousand, four hundred twenty-six".