557787755 has 8 divisors (see below), whose sum is σ = 764966112. Its totient is φ = 382483008.

The previous prime is 557787749. The next prime is 557787757.

557787755 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557787755 - 2¹⁸ = 557525611 is a prime.

It is a super-2 number, since 2×557787755² = 622254359255880050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557787755.

It is not an unprimeable number, because it can be changed into a prime (557787757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7968362 + ... + 7968431.

It is an arithmetic number, because the mean of its divisors is an integer number (95620764).

Almost surely, 2^557787755 is an apocalyptic number.

557787755 is a deficient number, since it is larger than the sum of its proper divisors (207178357).

557787755 is a wasteful number, since it uses less digits than its factorization.

557787755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15936805.

The product of its digits is 12005000, while the sum is 56.

The square root of 557787755 is about 23617.5306710926. The cubic root of 557787755 is about 823.1702355591.

The spelling of 557787755 in words is "five hundred fifty-seven million, seven hundred eighty-seven thousand, seven hundred fifty-five".