5452003661 has 4 divisors (see below), whose sum is σ = 5871388572. Its totient is φ = 5032618752.

The previous prime is 5452003643. The next prime is 5452003691. The reversal of 5452003661 is 1663002545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1663002545 = 5 ⋅332600509.

It can be written as a sum of positive squares in 2 ways, for example, as 401200900 + 5050802761 = 20030^2 + 71069^2 .

It is a cyclic number.

It is not a de Polignac number, because 5452003661 - 2²² = 5447809357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5452003691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209692436 + ... + 209692461.

It is an arithmetic number, because the mean of its divisors is an integer number (1467847143).

Almost surely, 2^5452003661 is an apocalyptic number.

It is an amenable number.

5452003661 is a deficient number, since it is larger than the sum of its proper divisors (419384911).

5452003661 is a wasteful number, since it uses less digits than its factorization.

5452003661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419384910.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 5452003661 is about 73837.6845587671. The cubic root of 5452003661 is about 1760.0244983031.

The spelling of 5452003661 in words is "five billion, four hundred fifty-two million, three thousand, six hundred sixty-one".