5451563068 has 48 divisors (see below), whose sum is σ = 11489927680. Its totient is φ = 2210918976.

The previous prime is 5451563059. The next prime is 5451563069. The reversal of 5451563068 is 8603651545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451563069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509146 + ... + 519742.

Almost surely, 2^5451563068 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 5451563068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5744963840).

5451563068 is an abundant number, since it is smaller than the sum of its proper divisors (6038364612).

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

5451563068 is a wasteful number, since it uses less digits than its factorization.

5451563068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594 (or 11592 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 5451563068 is about 73834.7009745418. The cubic root of 5451563068 is about 1759.9770860481.

The spelling of 5451563068 in words is "five billion, four hundred fifty-one million, five hundred sixty-three thousand, sixty-eight".