6540552 has 24 divisors (see below), whose sum is σ = 17714190. Its totient is φ = 2180160.

The previous prime is 6540539. The next prime is 6540557. The reversal of 6540552 is 2550456.

6540552 is a `hidden beast` number, since 654 + 0 + 5 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3896676 + 2643876 = 1974^2 + 1626^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6540557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45349 + ... + 45492.

Almost surely, 2^6540552 is an apocalyptic number.

It is an amenable number.

6540552 is an abundant number, since it is smaller than the sum of its proper divisors (11173638).

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

6540552 is a wasteful number, since it uses less digits than its factorization.

6540552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90853 (or 90846 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 6540552 is about 2557.4502927721. The cubic root of 6540552 is about 187.0128581243.

The spelling of 6540552 in words is "six million, five hundred forty thousand, five hundred fifty-two".