6441552 has 160 divisors (see below), whose sum is σ = 21109760. Its totient is φ = 1866240.

The previous prime is 6441527. The next prime is 6441557. The reversal of 6441552 is 2551446.

6441552 is a `hidden beast` number, since 644 + 15 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174078 + ... + 174114.

It is an arithmetic number, because the mean of its divisors is an integer number (131936).

Almost surely, 2^6441552 is an apocalyptic number.

6441552 is a gapful number since it is divisible by the number (62) 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 6441552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10554880).

6441552 is an abundant number, since it is smaller than the sum of its proper divisors (14668208).

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

6441552 is a wasteful number, since it uses less digits than its factorization.

6441552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 86 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 6441552 is about 2538.0212765066. The cubic root of 6441552 is about 186.0644937638.

Adding to 6441552 its reverse (2551446), we get a palindrome (8992998).

It can be divided in two parts, 64 and 41552, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 6441552 in words is "six million, four hundred forty-one thousand, five hundred fifty-two".