557567042 has 4 divisors (see below), whose sum is σ = 836350566. Its totient is φ = 278783520.

The previous prime is 557567041. The next prime is 557567057. The reversal of 557567042 is 240765755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240765755 = 5 ⋅48153151.

It can be written as a sum of positive squares in only one way, i.e., 470499481 + 87067561 = 21691^2 + 9331^2 .

It is not an unprimeable number, because it can be changed into a prime (557567041) 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 as a sum of consecutive naturals, namely, 139391759 + ... + 139391762.

Almost surely, 2^557567042 is an apocalyptic number.

557567042 is a deficient number, since it is larger than the sum of its proper divisors (278783524).

557567042 is a wasteful number, since it uses less digits than its factorization.

557567042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278783523.

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 557567042 is about 23612.8575568481. The cubic root of 557567042 is about 823.0616468593.

The spelling of 557567042 in words is "five hundred fifty-seven million, five hundred sixty-seven thousand, forty-two".