5504156491 has 4 divisors (see below), whose sum is σ = 5513346000. Its totient is φ = 5494966984.

The previous prime is 5504156467. The next prime is 5504156527. The reversal of 5504156491 is 1946514055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1946514055 = 5 ⋅389302811.

It is a cyclic number.

It is not a de Polignac number, because 5504156491 - 2³¹ = 3356672843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5504156401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593856 + ... + 4595053.

It is an arithmetic number, because the mean of its divisors is an integer number (1378336500).

Almost surely, 2^5504156491 is an apocalyptic number.

5504156491 is a deficient number, since it is larger than the sum of its proper divisors (9189509).

5504156491 is an equidigital number, since it uses as much as digits as its factorization.

5504156491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189508.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 5504156491 is about 74190.0026351260. The cubic root of 5504156491 is about 1765.6187181528.

The spelling of 5504156491 in words is "five billion, five hundred four million, one hundred fifty-six thousand, four hundred ninety-one".