555705645 has 64 divisors (see below), whose sum is σ = 1020985344. Its totient is φ = 255467520.

The previous prime is 555705629. The next prime is 555705649. The reversal of 555705645 is 546507555.

It is a happy number.

555705645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 555705645 - 2⁴ = 555705629 is a prime.

It is a super-3 number, since 3×555705645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555705597 and 555705606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555705649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 481389 + ... + 482541.

It is an arithmetic number, because the mean of its divisors is an integer number (15952896).

Almost surely, 2^555705645 is an apocalyptic number.

555705645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

555705645 is a deficient number, since it is larger than the sum of its proper divisors (465279699).

555705645 is a wasteful number, since it uses less digits than its factorization.

555705645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 525000, while the sum is 42.

The square root of 555705645 is about 23573.4097024593. The cubic root of 555705645 is about 822.1447152578.

The spelling of 555705645 in words is "five hundred fifty-five million, seven hundred five thousand, six hundred forty-five".