655550313 has 32 divisors (see below), whose sum is σ = 987697152. Its totient is φ = 383308800.

The previous prime is 655550281. The next prime is 655550321. The reversal of 655550313 is 313055556.

It is not a de Polignac number, because 655550313 - 2⁵ = 655550281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (655550323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107145 + ... + 113097.

It is an arithmetic number, because the mean of its divisors is an integer number (30865536).

Almost surely, 2^655550313 is an apocalyptic number.

It is an amenable number.

655550313 is a deficient number, since it is larger than the sum of its proper divisors (332146839).

655550313 is a wasteful number, since it uses less digits than its factorization.

655550313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085.

The product of its (nonzero) digits is 33750, while the sum is 33.

The square root of 655550313 is about 25603.7167809676. The cubic root of 655550313 is about 868.6977094072.

The spelling of 655550313 in words is "six hundred fifty-five million, five hundred fifty thousand, three hundred thirteen".