5521493197 has 4 divisors (see below), whose sum is σ = 6023447136. Its totient is φ = 5019539260.

The previous prime is 5521493191. The next prime is 5521493221. The reversal of 5521493197 is 7913941255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5521493197 - 2⁷ = 5521493069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521493191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250976953 + ... + 250976974.

It is an arithmetic number, because the mean of its divisors is an integer number (1505861784).

Almost surely, 2^5521493197 is an apocalyptic number.

It is an amenable number.

5521493197 is a deficient number, since it is larger than the sum of its proper divisors (501953939).

5521493197 is a wasteful number, since it uses less digits than its factorization.

5521493197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501953938.

The product of its digits is 340200, while the sum is 46.

The square root of 5521493197 is about 74306.7506825591. The cubic root of 5521493197 is about 1767.4705266211.

The spelling of 5521493197 in words is "five billion, five hundred twenty-one million, four hundred ninety-three thousand, one hundred ninety-seven".