5493938688 has 480 divisors, whose sum is σ = 19717416576. Its totient is φ = 1436811264.

The previous prime is 5493938687. The next prime is 5493938689. The reversal of 5493938688 is 8868393945.

5493938688 is a `hidden beast` number, since 549 + 3 + 9 + 3 + 8 + 6 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (5493938687) and next prime (5493938689).

It is a super-2 number, since 2×5493938688² = 60366724615006322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (44789760) is a multiple of the sum of its prime factors (324).

It is not an unprimeable number, because it can be changed into a prime (5493938687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23579020 + ... + 23579252.

Almost surely, 2^5493938688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5493938688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9858708288).

5493938688 is an abundant number, since it is smaller than the sum of its proper divisors (14223477888).

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

5493938688 is a wasteful number, since it uses less digits than its factorization.

5493938688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 305 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The square root of 5493938688 is about 74121.1082485954. The cubic root of 5493938688 is about 1764.5254886222.

The spelling of 5493938688 in words is "five billion, four hundred ninety-three million, nine hundred thirty-eight thousand, six hundred eighty-eight".