5446393561 has 6 divisors (see below), whose sum is σ = 6335600730. Its totient is φ = 4668337296.

The previous prime is 5446393559. The next prime is 5446393577. The reversal of 5446393561 is 1653936445.

It can be written as a sum of positive squares in only one way, i.e., 3863865600 + 1582527961 = 62160^2 + 39781^2 .

It is not a de Polignac number, because 5446393561 - 2¹ = 5446393559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5446393541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55575396 + ... + 55575493.

It is an arithmetic number, because the mean of its divisors is an integer number (1055933455).

Almost surely, 2^5446393561 is an apocalyptic number.

It is an amenable number.

5446393561 is a deficient number, since it is larger than the sum of its proper divisors (889207169).

5446393561 is a wasteful number, since it uses less digits than its factorization.

5446393561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111150903 (or 111150896 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The square root of 5446393561 is about 73799.6853719581. The cubic root of 5446393561 is about 1759.4206039837.

The spelling of 5446393561 in words is "five billion, four hundred forty-six million, three hundred ninety-three thousand, five hundred sixty-one".