5245554544 has 40 divisors (see below), whose sum is σ = 10766297520. Its totient is φ = 2467304448.

The previous prime is 5245554541. The next prime is 5245554551. The reversal of 5245554544 is 4454555425.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5245554544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5245554541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842547 + ... + 848749.

It is an arithmetic number, because the mean of its divisors is an integer number (269157438).

Almost surely, 2^5245554544 is an apocalyptic number.

It is an amenable number.

5245554544 is an abundant number, since it is smaller than the sum of its proper divisors (5520742976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5245554544 is a wasteful number, since it uses less digits than its factorization.

5245554544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337 (or 9331 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 43.

The square root of 5245554544 is about 72426.2006735132. The cubic root of 5245554544 is about 1737.5226276162.

The spelling of 5245554544 in words is "five billion, two hundred forty-five million, five hundred fifty-four thousand, five hundred forty-four".