5577444 has 48 divisors (see below), whose sum is σ = 14808640. Its totient is φ = 1814400.

The previous prime is 5577437. The next prime is 5577449. The reversal of 5577444 is 4447755.

It is a super-2 number, since 2×5577444² = 62215763146272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5577399 and 5577408.

It is not an unprimeable number, because it can be changed into a prime (5577449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4044 + ... + 5244.

Almost surely, 2^5577444 is an apocalyptic number.

5577444 is a gapful number since it is divisible by the number (54) 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 5577444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7404320).

5577444 is an abundant number, since it is smaller than the sum of its proper divisors (9231196).

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

5577444 is a wasteful number, since it uses less digits than its factorization.

5577444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1249 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 5577444 is about 2361.6612796928. The cubic root of 5577444 is about 177.3420561535.

It can be divided in two parts, 557 and 7444, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 5577444 in words is "five million, five hundred seventy-seven thousand, four hundred forty-four".