5245442555 has 4 divisors (see below), whose sum is σ = 6294531072. Its totient is φ = 4196354040.

The previous prime is 5245442539. The next prime is 5245442593. The reversal of 5245442555 is 5552445425.

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

It is not a de Polignac number, because 5245442555 - 2⁴ = 5245442539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 524544251 + ... + 524544260.

It is an arithmetic number, because the mean of its divisors is an integer number (1573632768).

Almost surely, 2^5245442555 is an apocalyptic number.

5245442555 is a deficient number, since it is larger than the sum of its proper divisors (1049088517).

5245442555 is a wasteful number, since it uses less digits than its factorization.

5245442555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049088516.

The product of its digits is 800000, while the sum is 41.

The square root of 5245442555 is about 72425.4275444750. The cubic root of 5245442555 is about 1737.5102625552.

The spelling of 5245442555 in words is "five billion, two hundred forty-five million, four hundred forty-two thousand, five hundred fifty-five".