654297755 has 4 divisors (see below), whose sum is σ = 785157312. Its totient is φ = 523438200.

The previous prime is 654297719. The next prime is 654297757. The reversal of 654297755 is 557792456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 654297755 - 2⁶ = 654297691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654297757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65429771 + ... + 65429780.

It is an arithmetic number, because the mean of its divisors is an integer number (196289328).

Almost surely, 2^654297755 is an apocalyptic number.

654297755 is a deficient number, since it is larger than the sum of its proper divisors (130859557).

654297755 is a wasteful number, since it uses less digits than its factorization.

654297755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130859556.

The product of its digits is 2646000, while the sum is 50.

The square root of 654297755 is about 25579.2446135534. The cubic root of 654297755 is about 868.1440839587.

The spelling of 654297755 in words is "six hundred fifty-four million, two hundred ninety-seven thousand, seven hundred fifty-five".