27625055543 has 4 divisors (see below), whose sum is σ = 28077925368. Its totient is φ = 27172185720.

The previous prime is 27625055537. The next prime is 27625055599. The reversal of 27625055543 is 34555052672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27625055543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27625055494 and 27625055503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27625015543) 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, 226434821 + ... + 226434942.

It is an arithmetic number, because the mean of its divisors is an integer number (7019481342).

Almost surely, 2^27625055543 is an apocalyptic number.

27625055543 is a deficient number, since it is larger than the sum of its proper divisors (452869825).

27625055543 is an equidigital number, since it uses as much as digits as its factorization.

27625055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452869824.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 27625055543 in words is "twenty-seven billion, six hundred twenty-five million, fifty-five thousand, five hundred forty-three".