5638454554 has 16 divisors (see below), whose sum is σ = 9289903680. Its totient is φ = 2554722720.

The previous prime is 5638454539. The next prime is 5638454587. The reversal of 5638454554 is 4554548365.

It is a junction number, because it is equal to n+sod(n) for n = 5638454498 and 5638454507.

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, 3224787 + ... + 3226534.

It is an arithmetic number, because the mean of its divisors is an integer number (580618980).

Almost surely, 2^5638454554 is an apocalyptic number.

5638454554 is a deficient number, since it is larger than the sum of its proper divisors (3651449126).

5638454554 is a wasteful number, since it uses less digits than its factorization.

5638454554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451365.

The product of its digits is 5760000, while the sum is 49.

The square root of 5638454554 is about 75089.6434536748. The cubic root of 5638454554 is about 1779.8634909832.

The spelling of 5638454554 in words is "five billion, six hundred thirty-eight million, four hundred fifty-four thousand, five hundred fifty-four".