5638555505 has 8 divisors (see below), whose sum is σ = 7381381824. Its totient is φ = 4100767600.

The previous prime is 5638555499. The next prime is 5638555519. The reversal of 5638555505 is 5055558365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5638555505 - 2⁶ = 5638555441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5638555505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51259541 + ... + 51259650.

It is an arithmetic number, because the mean of its divisors is an integer number (922672728).

Almost surely, 2^5638555505 is an apocalyptic number.

5638555505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5638555505 is a deficient number, since it is larger than the sum of its proper divisors (1742826319).

5638555505 is a wasteful number, since it uses less digits than its factorization.

5638555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102519207.

The product of its (nonzero) digits is 2250000, while the sum is 47.

The square root of 5638555505 is about 75090.3156538844. The cubic root of 5638555505 is about 1779.8741131566.

The spelling of 5638555505 in words is "five billion, six hundred thirty-eight million, five hundred fifty-five thousand, five hundred five".