5445256403 has 4 divisors (see below), whose sum is σ = 5478663048. Its totient is φ = 5411849760.

The previous prime is 5445256391. The next prime is 5445256457. The reversal of 5445256403 is 3046525445.

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

It is a cyclic number.

It is not a de Polignac number, because 5445256403 - 2²⁶ = 5378147539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445256603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16703078 + ... + 16703403.

It is an arithmetic number, because the mean of its divisors is an integer number (1369665762).

Almost surely, 2^5445256403 is an apocalyptic number.

5445256403 is a deficient number, since it is larger than the sum of its proper divisors (33406645).

5445256403 is a wasteful number, since it uses less digits than its factorization.

5445256403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33406644.

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 5445256403 is about 73791.9806144272. The cubic root of 5445256403 is about 1759.2981450602.

The spelling of 5445256403 in words is "five billion, four hundred forty-five million, two hundred fifty-six thousand, four hundred three".