557050437985 has 8 divisors (see below), whose sum is σ = 668473615656. Its totient is φ = 445631623680.

The previous prime is 557050437953. The next prime is 557050437989. The reversal of 557050437985 is 589734050755.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 168657241041 + 388393196944 = 410679^2 + 623212^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557050437985 - 2⁵ = 557050437953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557050437989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803074 + ... + 1326283.

It is an arithmetic number, because the mean of its divisors is an integer number (83559201957).

Almost surely, 2^557050437985 is an apocalyptic number.

It is an amenable number.

557050437985 is a deficient number, since it is larger than the sum of its proper divisors (111423177671).

557050437985 is a wasteful number, since it uses less digits than its factorization.

557050437985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181683.

The product of its (nonzero) digits is 26460000, while the sum is 58.

The spelling of 557050437985 in words is "five hundred fifty-seven billion, fifty million, four hundred thirty-seven thousand, nine hundred eighty-five".