27561048 has 16 divisors (see below), whose sum is σ = 68902680. Its totient is φ = 9187008.

The previous prime is 27561047. The next prime is 27561073. The reversal of 27561048 is 84016572.

It is a super-2 number, since 2×27561048² = 1519222733716608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27561047) 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, 574165 + ... + 574212.

Almost surely, 2^27561048 is an apocalyptic number.

It is an amenable number.

27561048 is an abundant number, since it is smaller than the sum of its proper divisors (41341632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27561048 is a wasteful number, since it uses less digits than its factorization.

27561048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148386 (or 1148382 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 27561048 is about 5249.8617124644. The cubic root of 27561048 is about 302.0637264463.

The spelling of 27561048 in words is "twenty-seven million, five hundred sixty-one thousand, forty-eight".