557805746 has 4 divisors (see below), whose sum is σ = 836708622. Its totient is φ = 278902872.

The previous prime is 557805737. The next prime is 557805763. The reversal of 557805746 is 647508755.

557805746 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., 504676225 + 53129521 = 22465^2 + 7289^2 .

It is a super-2 number, since 2×557805746² = 622294500541233032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557805746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139451435 + ... + 139451438.

Almost surely, 2^557805746 is an apocalyptic number.

557805746 is a deficient number, since it is larger than the sum of its proper divisors (278902876).

557805746 is a wasteful number, since it uses less digits than its factorization.

557805746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278902875.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The square root of 557805746 is about 23617.9115503467. The cubic root of 557805746 is about 823.1790856975.

The spelling of 557805746 in words is "five hundred fifty-seven million, eight hundred five thousand, seven hundred forty-six".