557573840 has 20 divisors (see below), whose sum is σ = 1296359364. Its totient is φ = 223029504.

The previous prime is 557573773. The next prime is 557573857. The reversal of 557573840 is 48375755.

It is a happy number.

557573840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 117245584 + 440328256 = 10828^2 + 20984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 557573791 and 557573800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3484757 + ... + 3484916.

Almost surely, 2^557573840 is an apocalyptic number.

It is an amenable number.

557573840 is an abundant number, since it is smaller than the sum of its proper divisors (738785524).

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

557573840 is a wasteful number, since it uses less digits than its factorization.

557573840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969686 (or 6969680 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The square root of 557573840 is about 23613.0015034091. The cubic root of 557573840 is about 823.0649918384.

The spelling of 557573840 in words is "five hundred fifty-seven million, five hundred seventy-three thousand, eight hundred forty".