5643694548 has 48 divisors (see below), whose sum is σ = 14653730560. Its totient is φ = 1878412032.

The previous prime is 5643694531. The next prime is 5643694591. The reversal of 5643694548 is 8454963465.

5643694548 is a `hidden beast` number, since 5 + 6 + 4 + 3 + 6 + 94 + 548 = 666.

It is a super-2 number, since 2×5643694548² = 63702576302249848608, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 5643694494 and 5643694503.

It is a congruent number.

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, 33861 + ... + 111507.

Almost surely, 2^5643694548 is an apocalyptic number.

It is an amenable number.

5643694548 is an abundant number, since it is smaller than the sum of its proper divisors (9010036012).

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

5643694548 is a wasteful number, since it uses less digits than its factorization.

5643694548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78333 (or 78325 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The square root of 5643694548 is about 75124.5269402743. The cubic root of 5643694548 is about 1780.4146814016.

The spelling of 5643694548 in words is "five billion, six hundred forty-three million, six hundred ninety-four thousand, five hundred forty-eight".