6545656 has 16 divisors (see below), whose sum is σ = 13217400. Its totient is φ = 3021024.

The previous prime is 6545653. The next prime is 6545687. The reversal of 6545656 is 6565456.

6545656 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×6545656² = 85691224940672, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545653) 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, 31366 + ... + 31573.

Almost surely, 2^6545656 is an apocalyptic number.

It is an amenable number.

6545656 is an abundant number, since it is smaller than the sum of its proper divisors (6671744).

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

6545656 is a wasteful number, since it uses less digits than its factorization.

6545656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62958 (or 62954 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 6545656 is about 2558.4479670300. The cubic root of 6545656 is about 187.0614914021.

The spelling of 6545656 in words is "six million, five hundred forty-five thousand, six hundred fifty-six".