5551515271 has 4 divisors (see below), whose sum is σ = 5563403352. Its totient is φ = 5539627192.

The previous prime is 5551515259. The next prime is 5551515293. The reversal of 5551515271 is 1725151555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1725151555 = 5 ⋅345030311.

It is a cyclic number.

It is not a de Polignac number, because 5551515271 - 2¹⁹ = 5550990983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551515271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551515071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943340 + ... + 5944273.

It is an arithmetic number, because the mean of its divisors is an integer number (1390850838).

Almost surely, 2^5551515271 is an apocalyptic number.

5551515271 is a deficient number, since it is larger than the sum of its proper divisors (11888081).

5551515271 is a wasteful number, since it uses less digits than its factorization.

5551515271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888080.

The product of its digits is 43750, while the sum is 37.

The square root of 5551515271 is about 74508.4912677743. The cubic root of 5551515271 is about 1770.6681668814.

The spelling of 5551515271 in words is "five billion, five hundred fifty-one million, five hundred fifteen thousand, two hundred seventy-one".