5521211671 has 4 divisors (see below), whose sum is σ = 5526620344. Its totient is φ = 5515803000.

The previous prime is 5521211557. The next prime is 5521211677. The reversal of 5521211671 is 1761121255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5521211671 - 2¹¹ = 5521209623 is a prime.

It is a super-2 number, since 2×5521211671² = 60967556631973224482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521211677) 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, 2702805 + ... + 2704846.

It is an arithmetic number, because the mean of its divisors is an integer number (1381655086).

Almost surely, 2^5521211671 is an apocalyptic number.

5521211671 is a deficient number, since it is larger than the sum of its proper divisors (5408673).

5521211671 is a wasteful number, since it uses less digits than its factorization.

5521211671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408672.

The product of its digits is 4200, while the sum is 31.

The square root of 5521211671 is about 74304.8563083194. The cubic root of 5521211671 is about 1767.4404865970.

The spelling of 5521211671 in words is "five billion, five hundred twenty-one million, two hundred eleven thousand, six hundred seventy-one".