655458011 has 4 divisors (see below), whose sum is σ = 705877872. Its totient is φ = 605038152.

The previous prime is 655457981. The next prime is 655458019. The reversal of 655458011 is 110854556.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 655458011 - 2¹⁴ = 655441627 is a prime.

It is a super-2 number, since 2×655458011² = 859250408368152242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655458019) 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, 25209911 + ... + 25209936.

It is an arithmetic number, because the mean of its divisors is an integer number (176469468).

Almost surely, 2^655458011 is an apocalyptic number.

655458011 is a deficient number, since it is larger than the sum of its proper divisors (50419861).

655458011 is a wasteful number, since it uses less digits than its factorization.

655458011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50419860.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 655458011 is about 25601.9142057777. The cubic root of 655458011 is about 868.6569363865.

The spelling of 655458011 in words is "six hundred fifty-five million, four hundred fifty-eight thousand, eleven".