6455555601 has 16 divisors (see below), whose sum is σ = 9392160000. Its totient is φ = 3911515920.

The previous prime is 6455555597. The next prime is 6455555611. The reversal of 6455555601 is 1065555546.

It is not a de Polignac number, because 6455555601 - 2² = 6455555597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6455555611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130650 + ... + 173148.

It is an arithmetic number, because the mean of its divisors is an integer number (587010000).

Almost surely, 2^6455555601 is an apocalyptic number.

It is an amenable number.

6455555601 is a deficient number, since it is larger than the sum of its proper divisors (2936604399).

6455555601 is a wasteful number, since it uses less digits than its factorization.

6455555601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47116.

The product of its (nonzero) digits is 450000, while the sum is 42.

The square root of 6455555601 is about 80346.4722374293. The cubic root of 6455555601 is about 1861.9922770586.

It can be divided in two parts, 645555 and 5601, that added together give a palindrome (651156).

The spelling of 6455555601 in words is "six billion, four hundred fifty-five million, five hundred fifty-five thousand, six hundred one".