5538940056 has 192 divisors, whose sum is σ = 17032972320. Its totient is φ = 1675883520.

The previous prime is 5538940013. The next prime is 5538940073. The reversal of 5538940056 is 6500498355.

5538940056 is a `hidden beast` number, since 553 + 8 + 9 + 40 + 0 + 56 = 666.

It is a super-2 number, since 2×5538940056² = 61359713887922566272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5538939993 and 5538940020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1539796 + ... + 1543388.

Almost surely, 2^5538940056 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 5538940056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8516486160).

5538940056 is an abundant number, since it is smaller than the sum of its proper divisors (11494032264).

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

5538940056 is a wasteful number, since it uses less digits than its factorization.

5538940056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5538940056 is about 74424.0556271962. The cubic root of 5538940056 is about 1769.3301918357.

The spelling of 5538940056 in words is "five billion, five hundred thirty-eight million, nine hundred forty thousand, fifty-six".