5638555475 has 12 divisors (see below), whose sum is σ = 7990638864. Its totient is φ = 3866437920.

The previous prime is 5638555469. The next prime is 5638555499. The reversal of 5638555475 is 5745558365.

It is not a de Polignac number, because 5638555475 - 2¹⁰ = 5638554451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16109984 + ... + 16110333.

It is an arithmetic number, because the mean of its divisors is an integer number (665886572).

Almost surely, 2^5638555475 is an apocalyptic number.

5638555475 is a deficient number, since it is larger than the sum of its proper divisors (2352083389).

5638555475 is a wasteful number, since it uses less digits than its factorization.

5638555475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32220334 (or 32220329 counting only the distinct ones).

The product of its digits is 12600000, while the sum is 53.

The square root of 5638555475 is about 75090.3154541250. The cubic root of 5638555475 is about 1779.8741100000.

The spelling of 5638555475 in words is "five billion, six hundred thirty-eight million, five hundred fifty-five thousand, four hundred seventy-five".