5538554658 has 192 divisors, whose sum is σ = 15575169792. Its totient is φ = 1436071680.

The previous prime is 5538554653. The next prime is 5538554677. The reversal of 5538554658 is 8564558355.

5538554658 is a `hidden beast` number, since 5 + 5 + 38 + 554 + 6 + 58 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5538554653) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2696760 + ... + 2698812.

It is an arithmetic number, because the mean of its divisors is an integer number (81120676).

Almost surely, 2^5538554658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5538554658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7787584896).

5538554658 is an abundant number, since it is smaller than the sum of its proper divisors (10036615134).

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

5538554658 is a wasteful number, since it uses less digits than its factorization.

5538554658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2139 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 54.

The square root of 5538554658 is about 74421.4663789958. The cubic root of 5538554658 is about 1769.2891543733.

The spelling of 5538554658 in words is "five billion, five hundred thirty-eight million, five hundred fifty-four thousand, six hundred fifty-eight".