655487049 has 32 divisors (see below), whose sum is σ = 1030853376. Its totient is φ = 362695680.

The previous prime is 655487039. The next prime is 655487083. The reversal of 655487049 is 940784556.

It is not a de Polignac number, because 655487049 - 2¹¹ = 655485001 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 655486989 and 655487007.

It is not an unprimeable number, because it can be changed into a prime (655487039) 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 31 ways as a sum of consecutive naturals, for example, 115179 + ... + 120735.

It is an arithmetic number, because the mean of its divisors is an integer number (32214168).

Almost surely, 2^655487049 is an apocalyptic number.

It is an amenable number.

655487049 is a deficient number, since it is larger than the sum of its proper divisors (375366327).

655487049 is a wasteful number, since it uses less digits than its factorization.

655487049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 655487049 is about 25602.4813055297. The cubic root of 655487049 is about 868.6697638991.

The spelling of 655487049 in words is "six hundred fifty-five million, four hundred eighty-seven thousand, forty-nine".