27854573554 has 4 divisors (see below), whose sum is σ = 41781860334. Its totient is φ = 13927286776.

The previous prime is 27854573473. The next prime is 27854573599. The reversal of 27854573554 is 45537545872.

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

It can be written as a sum of positive squares in only one way, i.e., 27447542929 + 407030625 = 165673^2 + 20175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27854573495 and 27854573504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6963643387 + ... + 6963643390.

Almost surely, 2^27854573554 is an apocalyptic number.

27854573554 is a deficient number, since it is larger than the sum of its proper divisors (13927286780).

27854573554 is a wasteful number, since it uses less digits than its factorization.

27854573554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927286779.

The product of its digits is 23520000, while the sum is 55.

The spelling of 27854573554 in words is "twenty-seven billion, eight hundred fifty-four million, five hundred seventy-three thousand, five hundred fifty-four".