5497359840 has 336 divisors, whose sum is σ = 22257432288. Its totient is φ = 1256352768.

The previous prime is 5497359823. The next prime is 5497359871. The reversal of 5497359840 is 489537945.

5497359840 is a `hidden beast` number, since 5 + 4 + 9 + 7 + 3 + 598 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 813114 + ... + 819846.

It is an arithmetic number, because the mean of its divisors is an integer number (66242358).

Almost surely, 2^5497359840 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 5497359840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11128716144).

5497359840 is an abundant number, since it is smaller than the sum of its proper divisors (16760072448).

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

5497359840 is an equidigital number, since it uses as much as digits as its factorization.

5497359840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773 (or 6750 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 5497359840 is about 74144.1827792309. The cubic root of 5497359840 is about 1764.8916774734.

The spelling of 5497359840 in words is "five billion, four hundred ninety-seven million, three hundred fifty-nine thousand, eight hundred forty".