557215973 has 16 divisors (see below), whose sum is σ = 584914176. Its totient is φ = 530295360.

The previous prime is 557215961. The next prime is 557215999. The reversal of 557215973 is 379512755.

It is not a de Polignac number, because 557215973 - 2⁶ = 557215909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557215913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591683 + ... + 592623.

It is an arithmetic number, because the mean of its divisors is an integer number (36557136).

Almost surely, 2^557215973 is an apocalyptic number.

It is an amenable number.

557215973 is a deficient number, since it is larger than the sum of its proper divisors (27698203).

557215973 is a wasteful number, since it uses less digits than its factorization.

557215973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 330750, while the sum is 44.

The square root of 557215973 is about 23605.4225338163. The cubic root of 557215973 is about 822.8888651881. Note that the first 4 decimals are identical.

The spelling of 557215973 in words is "five hundred fifty-seven million, two hundred fifteen thousand, nine hundred seventy-three".