5491584 has 128 divisors (see below), whose sum is σ = 18604800. Its totient is φ = 1562112.

The previous prime is 5491579. The next prime is 5491597. The reversal of 5491584 is 4851945.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24079 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (145350).

Almost surely, 2^5491584 is an apocalyptic number.

5491584 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 5491584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9302400).

5491584 is an abundant number, since it is smaller than the sum of its proper divisors (13113216).

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

5491584 is a wasteful number, since it uses less digits than its factorization.

5491584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 239 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5491584 is about 2343.4128957570. The cubic root of 5491584 is about 176.4273362236.

The spelling of 5491584 in words is "five million, four hundred ninety-one thousand, five hundred eighty-four".