55125623645663 has 4 divisors (see below), whose sum is σ = 55199026607328. Its totient is φ = 55052220684000.

The previous prime is 55125623645641. The next prime is 55125623645699. The reversal of 55125623645663 is 36654632652155.

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 55125623645663 - 2²² = 55125619451359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125623645633) 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, 36701479706 + ... + 36701481207.

It is an arithmetic number, because the mean of its divisors is an integer number (13799756651832).

Almost surely, 2^{55125623645663} is an apocalyptic number.

55125623645663 is a deficient number, since it is larger than the sum of its proper divisors (73402961665).

55125623645663 is an equidigital number, since it uses as much as digits as its factorization.

55125623645663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73402961664.

The product of its digits is 116640000, while the sum is 59.

The spelling of 55125623645663 in words is "fifty-five trillion, one hundred twenty-five billion, six hundred twenty-three million, six hundred forty-five thousand, six hundred sixty-three".