5811456 has 144 divisors (see below), whose sum is σ = 18837504. Its totient is φ = 1554432.

The previous prime is 5811437. The next prime is 5811461. The reversal of 5811456 is 6541185.

Its product of digits (4800) is a multiple of the sum of its prime factors (96).

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, 123625 + ... + 123671.

It is an arithmetic number, because the mean of its divisors is an integer number (130816).

Almost surely, 2^5811456 is an apocalyptic number.

5811456 is a gapful number since it is divisible by the number (56) 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 5811456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9418752).

5811456 is an abundant number, since it is smaller than the sum of its proper divisors (13026048).

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

5811456 is a wasteful number, since it uses less digits than its factorization.

5811456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 82 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 5811456 is about 2410.6961650113. The cubic root of 5811456 is about 179.7883933095.

The spelling of 5811456 in words is "five million, eight hundred eleven thousand, four hundred fifty-six".