5248577661 has 8 divisors (see below), whose sum is σ = 7013285664. Its totient is φ = 3491460720.

The previous prime is 5248577657. The next prime is 5248577683. The reversal of 5248577661 is 1667758425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5248577661 - 2² = 5248577657 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5248577261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1896151 + ... + 1898916.

It is an arithmetic number, because the mean of its divisors is an integer number (876660708).

Almost surely, 2^5248577661 is an apocalyptic number.

It is an amenable number.

5248577661 is a deficient number, since it is larger than the sum of its proper divisors (1764708003).

5248577661 is a wasteful number, since it uses less digits than its factorization.

5248577661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795531.

The product of its digits is 2822400, while the sum is 51.

The square root of 5248577661 is about 72447.0679945020. The cubic root of 5248577661 is about 1737.8563530840.

The spelling of 5248577661 in words is "five billion, two hundred forty-eight million, five hundred seventy-seven thousand, six hundred sixty-one".