557241216 has 64 divisors (see below), whose sum is σ = 1691633280. Its totient is φ = 159211008.

The previous prime is 557241203. The next prime is 557241221. The reversal of 557241216 is 612142755.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100966 + ... + 106341.

It is an arithmetic number, because the mean of its divisors is an integer number (26431770).

Almost surely, 2^557241216 is an apocalyptic number.

557241216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

557241216 is an abundant number, since it is smaller than the sum of its proper divisors (1134392064).

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

557241216 is a wasteful number, since it uses less digits than its factorization.

557241216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207331 (or 207319 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 557241216 is about 23605.9572142288. The cubic root of 557241216 is about 822.9012911719.

The spelling of 557241216 in words is "five hundred fifty-seven million, two hundred forty-one thousand, two hundred sixteen".