655506045 has 12 divisors (see below), whose sum is σ = 1136210556. Its totient is φ = 349603200.

The previous prime is 655506041. The next prime is 655506101. The reversal of 655506045 is 540605556.

It is a happy number.

655506045 is a `hidden beast` number, since 6 + 5 + 550 + 60 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 173527929 + 481978116 = 13173^2 + 21954^2 .

It is not a de Polignac number, because 655506045 - 2² = 655506041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655506041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7283356 + ... + 7283445.

It is an arithmetic number, because the mean of its divisors is an integer number (94684213).

Almost surely, 2^655506045 is an apocalyptic number.

It is an amenable number.

655506045 is a deficient number, since it is larger than the sum of its proper divisors (480704511).

655506045 is a wasteful number, since it uses less digits than its factorization.

655506045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566812 (or 14566809 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 655506045 is about 25602.8522825095. The cubic root of 655506045 is about 868.6781551614.

The spelling of 655506045 in words is "six hundred fifty-five million, five hundred six thousand, forty-five".