55665260001 has 24 divisors (see below), whose sum is σ = 87171575400. Its totient is φ = 34025630976.

The previous prime is 55665259999. The next prime is 55665260039. The reversal of 55665260001 is 10006256655.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1898780625 + 53766479376 = 43575^2 + 231876^2 .

It is not a de Polignac number, because 55665260001 - 2¹ = 55665259999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55665260041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1579116 + ... + 1613981.

It is an arithmetic number, because the mean of its divisors is an integer number (3632148975).

Almost surely, 2^55665260001 is an apocalyptic number.

It is an amenable number.

55665260001 is a deficient number, since it is larger than the sum of its proper divisors (31506315399).

55665260001 is a wasteful number, since it uses less digits than its factorization.

55665260001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193265 (or 3193262 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 55665260001 in words is "fifty-five billion, six hundred sixty-five million, two hundred sixty thousand, one".