557545754 has 4 divisors (see below), whose sum is σ = 836318634. Its totient is φ = 278772876.

The previous prime is 557545741. The next prime is 557545759. The reversal of 557545754 is 457545755.

557545754 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., 400920529 + 156625225 = 20023^2 + 12515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557545699 and 557545708.

It is not an unprimeable number, because it can be changed into a prime (557545759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139386437 + ... + 139386440.

Almost surely, 2^557545754 is an apocalyptic number.

557545754 is a deficient number, since it is larger than the sum of its proper divisors (278772880).

557545754 is a wasteful number, since it uses less digits than its factorization.

557545754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278772879.

The product of its digits is 2450000, while the sum is 47.

The square root of 557545754 is about 23612.4067811818. The cubic root of 557545754 is about 823.0511718503.

Subtracting from 557545754 its reverse (457545755), we obtain a palindrome (99999999).

The spelling of 557545754 in words is "five hundred fifty-seven million, five hundred forty-five thousand, seven hundred fifty-four".