557214917 has 12 divisors (see below), whose sum is σ = 660421836. Its totient is φ = 468599040.

The previous prime is 557214907. The next prime is 557214923. The reversal of 557214917 is 719412755.

It can be written as a sum of positive squares in 2 ways, for example, as 200533921 + 356680996 = 14161^2 + 18886^2 .

It is not a de Polignac number, because 557214917 - 2⁴ = 557214901 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557214907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104684 + ... + 109877.

It is an arithmetic number, because the mean of its divisors is an integer number (55035153).

Almost surely, 2^557214917 is an apocalyptic number.

It is an amenable number.

557214917 is a deficient number, since it is larger than the sum of its proper divisors (103206919).

557214917 is a wasteful number, since it uses less digits than its factorization.

557214917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214628 (or 214621 counting only the distinct ones).

The product of its digits is 88200, while the sum is 41.

The square root of 557214917 is about 23605.4001660637. The cubic root of 557214917 is about 822.8883453590. Note that the first 3 decimals are identical.

The spelling of 557214917 in words is "five hundred fifty-seven million, two hundred fourteen thousand, nine hundred seventeen".