5544251540 has 12 divisors (see below), whose sum is σ = 11642928276. Its totient is φ = 2217700608.

The previous prime is 5544251533. The next prime is 5544251593. The reversal of 5544251540 is 451524455.

It can be written as a sum of positive squares in 2 ways, for example, as 1656978436 + 3887273104 = 40706^2 + 62348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5544251540.

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, 138606269 + ... + 138606308.

It is an arithmetic number, because the mean of its divisors is an integer number (970244023).

Almost surely, 2^5544251540 is an apocalyptic number.

It is an amenable number.

5544251540 is an abundant number, since it is smaller than the sum of its proper divisors (6098676736).

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

5544251540 is a wasteful number, since it uses less digits than its factorization.

5544251540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277212586 (or 277212584 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The square root of 5544251540 is about 74459.7309960223. The cubic root of 5544251540 is about 1769.8955687585.

Adding to 5544251540 its reverse (451524455), we get a palindrome (5995775995).

The spelling of 5544251540 in words is "five billion, five hundred forty-four million, two hundred fifty-one thousand, five hundred forty".