5451004544 has 64 divisors (see below), whose sum is σ = 11536404000. Its totient is φ = 2558241792.

The previous prime is 5451004543. The next prime is 5451004549. The reversal of 5451004544 is 4454001545.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5451004544.

It is not an unprimeable number, because it can be changed into a prime (5451004541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254807 + ... + 275369.

Almost surely, 2^5451004544 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 5451004544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5768202000).

5451004544 is an abundant number, since it is smaller than the sum of its proper divisors (6085399456).

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

5451004544 is a wasteful number, since it uses less digits than its factorization.

5451004544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20705 (or 20693 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 5451004544 is about 73830.9186181508. The cubic root of 5451004544 is about 1759.9169795550.

Subtracting from 5451004544 its reverse (4454001545), we obtain a cube (997002999 = 999³).

The spelling of 5451004544 in words is "five billion, four hundred fifty-one million, four thousand, five hundred forty-four".