4554994554 has 64 divisors (see below), whose sum is σ = 11070000000. Its totient is φ = 1376853120.

The previous prime is 4554994553. The next prime is 4554994559.

It is a happy number.

4554994554 is a `hidden beast` number, since 4 + 5 + 549 + 9 + 45 + 54 = 666.

4554994554 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4554994554.

It is not an unprimeable number, because it can be changed into a prime (4554994553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233572 + ... + 252320.

It is an arithmetic number, because the mean of its divisors is an integer number (172968750).

Almost surely, 2^4554994554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4554994554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5535000000).

4554994554 is an abundant number, since it is smaller than the sum of its proper divisors (6515005446).

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

4554994554 is a wasteful number, since it uses less digits than its factorization.

4554994554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180 (or 19174 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The square root of 4554994554 is about 67490.6997593002. The cubic root of 4554994554 is about 1657.6618936481.

The spelling of 4554994554 in words is "four billion, five hundred fifty-four million, nine hundred ninety-four thousand, five hundred fifty-four".