5447452561 has 8 divisors (see below), whose sum is σ = 5587557800. Its totient is φ = 5308986240.

The previous prime is 5447452559. The next prime is 5447452583. The reversal of 5447452561 is 1652547445.

It can be written as a sum of positive squares in 4 ways, for example, as 455182225 + 4992270336 = 21335^2 + 70656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5447452561 - 2¹ = 5447452559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5447452541) 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, 402996 + ... + 416293.

It is an arithmetic number, because the mean of its divisors is an integer number (698444725).

Almost surely, 2^5447452561 is an apocalyptic number.

It is an amenable number.

5447452561 is a deficient number, since it is larger than the sum of its proper divisors (140105239).

5447452561 is a wasteful number, since it uses less digits than its factorization.

5447452561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819459.

The product of its digits is 672000, while the sum is 43.

The square root of 5447452561 is about 73806.8598505586. The cubic root of 5447452561 is about 1759.5346308561.

It can be divided in two parts, 54474525 and 61, that multiplied together give a square (3322946025 = 57645²).

The spelling of 5447452561 in words is "five billion, four hundred forty-seven million, four hundred fifty-two thousand, five hundred sixty-one".