5491554432 has 256 divisors, whose sum is σ = 18395838720. Its totient is φ = 1412628480.

The previous prime is 5491554403. The next prime is 5491554457. The reversal of 5491554432 is 2344551945.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1430788 + ... + 1434620.

It is an arithmetic number, because the mean of its divisors is an integer number (71858745).

Almost surely, 2^5491554432 is an apocalyptic number.

5491554432 is a gapful number since it is divisible by the number (52) 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 5491554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9197919360).

5491554432 is an abundant number, since it is smaller than the sum of its proper divisors (12904284288).

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

5491554432 is a wasteful number, since it uses less digits than its factorization.

5491554432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911 (or 3899 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 5491554432 is about 74105.0229876491. The cubic root of 5491554432 is about 1764.2701958068.

The spelling of 5491554432 in words is "five billion, four hundred ninety-one million, five hundred fifty-four thousand, four hundred thirty-two".