5454979992 has 640 divisors, whose sum is σ = 20699712000. Its totient is φ = 1298903040.

The previous prime is 5454979939. The next prime is 5454980029. The reversal of 5454979992 is 2999794545.

5454979992 is a `hidden beast` number, since 5 + 454 + 9 + 7 + 99 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 50045634 + ... + 50045742.

It is an arithmetic number, because the mean of its divisors is an integer number (32343300).

Almost surely, 2^5454979992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5454979992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10349856000).

5454979992 is an abundant number, since it is smaller than the sum of its proper divisors (15244732008).

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

5454979992 is a wasteful number, since it uses less digits than its factorization.

5454979992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 208 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The square root of 5454979992 is about 73857.8363614857. The cubic root of 5454979992 is about 1760.3447146765.

The spelling of 5454979992 in words is "five billion, four hundred fifty-four million, nine hundred seventy-nine thousand, nine hundred ninety-two".