5545240445 has 4 divisors (see below), whose sum is σ = 6654288540. Its totient is φ = 4436192352.

The previous prime is 5545240429. The next prime is 5545240469. The reversal of 5545240445 is 5440425455.

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 3292693924 + 2252546521 = 57382^2 + 47461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5545240445 - 2⁴ = 5545240429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5545240399 and 5545240408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554524040 + ... + 554524049.

It is an arithmetic number, because the mean of its divisors is an integer number (1663572135).

Almost surely, 2^5545240445 is an apocalyptic number.

It is an amenable number.

5545240445 is a deficient number, since it is larger than the sum of its proper divisors (1109048095).

5545240445 is a wasteful number, since it uses less digits than its factorization.

5545240445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109048094.

The product of its (nonzero) digits is 320000, while the sum is 38.

The square root of 5545240445 is about 74466.3712356121. The cubic root of 5545240445 is about 1770.0007921305. Note that the first 3 decimals are identical.

The spelling of 5545240445 in words is "five billion, five hundred forty-five million, two hundred forty thousand, four hundred forty-five".