6550464 has 56 divisors (see below), whose sum is σ = 17546320. Its totient is φ = 2156544.

The previous prime is 6550417. The next prime is 6550471. The reversal of 6550464 is 4640556.

It is a zygodrome in base 2.

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, 20772 + ... + 21084.

Almost surely, 2^6550464 is an apocalyptic number.

6550464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6550464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8773160).

6550464 is an abundant number, since it is smaller than the sum of its proper divisors (10995856).

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

6550464 is a wasteful number, since it uses less digits than its factorization.

6550464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6550464 is about 2559.3874267098. The cubic root of 6550464 is about 187.1072811355.

The spelling of 6550464 in words is "six million, five hundred fifty thousand, four hundred sixty-four".