6525006544 has 20 divisors (see below), whose sum is σ = 14448229024. Its totient is φ = 2796431328.

The previous prime is 6525006539. The next prime is 6525006557. The reversal of 6525006544 is 4456005256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29129382 + ... + 29129605.

Almost surely, 2^6525006544 is an apocalyptic number.

It is an amenable number.

6525006544 is an abundant number, since it is smaller than the sum of its proper divisors (7923222480).

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

6525006544 is a wasteful number, since it uses less digits than its factorization.

6525006544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58259002 (or 58258996 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 6525006544 is about 80777.5126133505. The cubic root of 6525006544 is about 1868.6457775173.

The spelling of 6525006544 in words is "six billion, five hundred twenty-five million, six thousand, five hundred forty-four".