5216557551 has 8 divisors (see below), whose sum is σ = 7125054384. Its totient is φ = 3392882880.

The previous prime is 5216557531. The next prime is 5216557561. The reversal of 5216557551 is 1557556125.

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

It is not a de Polignac number, because 5216557551 - 2¹⁴ = 5216541167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216557531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21205396 + ... + 21205641.

It is an arithmetic number, because the mean of its divisors is an integer number (890631798).

Almost surely, 2^5216557551 is an apocalyptic number.

5216557551 is a deficient number, since it is larger than the sum of its proper divisors (1908496833).

5216557551 is a wasteful number, since it uses less digits than its factorization.

5216557551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42411081.

The product of its digits is 262500, while the sum is 42.

The square root of 5216557551 is about 72225.7402246595. The cubic root of 5216557551 is about 1734.3150827147.

The spelling of 5216557551 in words is "five billion, two hundred sixteen million, five hundred fifty-seven thousand, five hundred fifty-one".