27554517649072 has 10 divisors (see below), whose sum is σ = 53386877945108. Its totient is φ = 13777258824528.

The previous prime is 27554517649039. The next prime is 27554517649079. The reversal of 27554517649072 is 27094671545572.

It is a super-2 number, since 2×27554517649072² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27554517648995 and 27554517649013.

It is not an unprimeable number, because it can be changed into a prime (27554517649079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861078676518 + ... + 861078676549.

Almost surely, 2^{27554517649072} is an apocalyptic number.

It is an amenable number.

27554517649072 is a deficient number, since it is larger than the sum of its proper divisors (25832360296036).

27554517649072 is a wasteful number, since it uses less digits than its factorization.

27554517649072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722157353075 (or 1722157353069 counting only the distinct ones).

The product of its (nonzero) digits is 148176000, while the sum is 64.

The spelling of 27554517649072 in words is "twenty-seven trillion, five hundred fifty-four billion, five hundred seventeen million, six hundred forty-nine thousand, seventy-two".