6557264 has 40 divisors (see below), whose sum is σ = 14665728. Its totient is φ = 2782080.

The previous prime is 6557233. The next prime is 6557279. The reversal of 6557264 is 4627556.

It is a super-2 number, since 2×6557264² = 85995422331392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13994 + ... + 14454.

Almost surely, 2^6557264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6557264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7332864).

6557264 is an abundant number, since it is smaller than the sum of its proper divisors (8108464).

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

6557264 is a wasteful number, since it uses less digits than its factorization.

6557264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 597 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 6557264 is about 2560.7155250047. The cubic root of 6557264 is about 187.1720037515.

The spelling of 6557264 in words is "six million, five hundred fifty-seven thousand, two hundred sixty-four".