5443650061 has 4 divisors (see below), whose sum is σ = 5444084412. Its totient is φ = 5443215712.

The previous prime is 5443650011. The next prime is 5443650071. The reversal of 5443650061 is 1600563445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2308322025 + 3135328036 = 48045^2 + 55994^2 .

It is a cyclic number.

It is not a de Polignac number, because 5443650061 - 2²⁵ = 5410095629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5443649999 and 5443650026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5443650011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197800 + ... + 223633.

It is an arithmetic number, because the mean of its divisors is an integer number (1361021103).

Almost surely, 2^5443650061 is an apocalyptic number.

It is an amenable number.

5443650061 is a deficient number, since it is larger than the sum of its proper divisors (434351).

5443650061 is a wasteful number, since it uses less digits than its factorization.

5443650061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434350.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 5443650061 is about 73781.0955529938. The cubic root of 5443650061 is about 1759.1251313256.

The spelling of 5443650061 in words is "five billion, four hundred forty-three million, six hundred fifty thousand, sixty-one".