557455746 has 16 divisors (see below), whose sum is σ = 1121073408. Its totient is φ = 184791600.

The previous prime is 557455739. The next prime is 557455793. The reversal of 557455746 is 647554755.

It is a junction number, because it is equal to n+sod(n) for n = 557455695 and 557455704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255570 + ... + 257741.

It is an arithmetic number, because the mean of its divisors is an integer number (70067088).

Almost surely, 2^557455746 is an apocalyptic number.

557455746 is an abundant number, since it is smaller than the sum of its proper divisors (563617662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557455746 is a wasteful number, since it uses less digits than its factorization.

557455746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513497.

The product of its digits is 2940000, while the sum is 48.

The square root of 557455746 is about 23610.5007570784. The cubic root of 557455746 is about 823.0068794156.

Subtracting 557455746 from its reverse (647554755), we obtain a palindrome (90099009).

The spelling of 557455746 in words is "five hundred fifty-seven million, four hundred fifty-five thousand, seven hundred forty-six".