557647746755 has 32 divisors (see below), whose sum is σ = 748253515968. Its totient is φ = 395439155200.

The previous prime is 557647746749. The next prime is 557647746841.

557647746755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 557647746755 - 2⁴ = 557647746739 is a prime.

It is a super-2 number, since 2×557647746755² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3836567 + ... + 3979263.

It is an arithmetic number, because the mean of its divisors is an integer number (23382922374).

Almost surely, 2^557647746755 is an apocalyptic number.

557647746755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557647746755 is a deficient number, since it is larger than the sum of its proper divisors (190605769213).

557647746755 is a wasteful number, since it uses less digits than its factorization.

557647746755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144487.

The product of its digits is 864360000, while the sum is 68.

The spelling of 557647746755 in words is "five hundred fifty-seven billion, six hundred forty-seven million, seven hundred forty-six thousand, seven hundred fifty-five".