5543537640 has 64 divisors (see below), whose sum is σ = 17017387200. Its totient is φ = 1443896832.

The previous prime is 5543537639. The next prime is 5543537663. The reversal of 5543537640 is 467353455.

It is a junction number, because it is equal to n+sod(n) for n = 5543537592 and 5543537601.

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, 532005 + ... + 542324.

It is an arithmetic number, because the mean of its divisors is an integer number (265896675).

Almost surely, 2^5543537640 is an apocalyptic number.

It is an amenable number.

5543537640 is an abundant number, since it is smaller than the sum of its proper divisors (11473849560).

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

5543537640 is a wasteful number, since it uses less digits than its factorization.

5543537640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074386 (or 1074382 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The square root of 5543537640 is about 74454.9369753276. The cubic root of 5543537640 is about 1769.8195992206.

The spelling of 5543537640 in words is "five billion, five hundred forty-three million, five hundred thirty-seven thousand, six hundred forty".