557211489156 has 135 divisors (see below), whose sum is σ = 1643807607351. Its totient is φ = 159140579472.

The previous prime is 557211489143. The next prime is 557211489217. The reversal of 557211489156 is 651984112755.

The square root of 557211489156 is 746466.

It is a perfect power (a square), and thus also a powerful number.

557211489156 is a `hidden beast` number, since 5 + 5 + 7 + 2 + 1 + 1 + 489 + 156 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 219459735 + ... + 219462273.

Almost surely, 2^557211489156 is an apocalyptic number.

557211489156 is the 746466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557211489156

557211489156 is an abundant number, since it is smaller than the sum of its proper divisors (1086596118195).

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

557211489156 is an frugal number, since it uses more digits than its factorization.

557211489156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 2551 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 54.

The spelling of 557211489156 in words is "five hundred fifty-seven billion, two hundred eleven million, four hundred eighty-nine thousand, one hundred fifty-six".