55666672853 has 32 divisors (see below), whose sum is σ = 64625402880. Its totient is φ = 47417616000.

The previous prime is 55666672801. The next prime is 55666672861. The reversal of 55666672853 is 35827666655.

It is not a de Polignac number, because 55666672853 - 2¹⁰ = 55666671829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55666672792 and 55666672801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55666672253) 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, 17016608 + ... + 17019878.

It is an arithmetic number, because the mean of its divisors is an integer number (2019543840).

Almost surely, 2^55666672853 is an apocalyptic number.

It is an amenable number.

55666672853 is a deficient number, since it is larger than the sum of its proper divisors (8958730027).

55666672853 is a wasteful number, since it uses less digits than its factorization.

55666672853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169.

The product of its digits is 54432000, while the sum is 59.

The spelling of 55666672853 in words is "fifty-five billion, six hundred sixty-six million, six hundred seventy-two thousand, eight hundred fifty-three".