5645755441 has 4 divisors (see below), whose sum is σ = 5646403584. Its totient is φ = 5645107300.

The previous prime is 5645755417. The next prime is 5645755463. The reversal of 5645755441 is 1445575465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1445575465 = 5 ⋅289115093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5645755441 is a prime.

It is a super-2 number, since 2×5645755441² = 63749108999162208962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5645755391 and 5645755400.

It is not an unprimeable number, because it can be changed into a prime (5645750441) 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, 310825 + ... + 328486.

It is an arithmetic number, because the mean of its divisors is an integer number (1411600896).

Almost surely, 2^5645755441 is an apocalyptic number.

It is an amenable number.

5645755441 is a deficient number, since it is larger than the sum of its proper divisors (648143).

5645755441 is an equidigital number, since it uses as much as digits as its factorization.

5645755441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648142.

The product of its digits is 1680000, while the sum is 46.

The square root of 5645755441 is about 75138.2422006264. The cubic root of 5645755441 is about 1780.6313714666.

The spelling of 5645755441 in words is "five billion, six hundred forty-five million, seven hundred fifty-five thousand, four hundred forty-one".