557032730 has 16 divisors (see below), whose sum is σ = 1004861160. Its totient is φ = 222323712.

The previous prime is 557032687. The next prime is 557032733. The reversal of 557032730 is 37230755.

It can be written as a sum of positive squares in 4 ways, for example, as 380913289 + 176119441 = 19517^2 + 13271^2 .

It is not an unprimeable number, because it can be changed into a prime (557032733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56375 + ... + 65514.

Almost surely, 2^557032730 is an apocalyptic number.

557032730 is a deficient number, since it is larger than the sum of its proper divisors (447828430).

557032730 is a wasteful number, since it uses less digits than its factorization.

557032730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122353.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 557032730 is about 23601.5408395299. The cubic root of 557032730 is about 822.7986517198.

The spelling of 557032730 in words is "five hundred fifty-seven million, thirty-two thousand, seven hundred thirty".