557289811 has 16 divisors (see below), whose sum is σ = 612566080. Its totient is φ = 503884800.

The previous prime is 557289791. The next prime is 557289877. The reversal of 557289811 is 118982755.

It is a 10-Lehmer number, since φ(557289811) divides (557289811-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 557289811 - 2¹¹ = 557287763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557289211) 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, 141355 + ... + 145243.

It is an arithmetic number, because the mean of its divisors is an integer number (38285380).

Almost surely, 2^557289811 is an apocalyptic number.

557289811 is the 13630-th hex number.

557289811 is a deficient number, since it is larger than the sum of its proper divisors (55276269).

557289811 is a wasteful number, since it uses less digits than its factorization.

557289811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126.

The product of its digits is 201600, while the sum is 46.

The square root of 557289811 is about 23606.9864870551. The cubic root of 557289811 is about 822.9252112294.

The spelling of 557289811 in words is "five hundred fifty-seven million, two hundred eighty-nine thousand, eight hundred eleven".