5215644543 has 8 divisors (see below), whose sum is σ = 7042220800. Its totient is φ = 3433082328.

The previous prime is 5215644529. The next prime is 5215644559. The reversal of 5215644543 is 3454465125.

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

It is not a de Polignac number, because 5215644543 - 2¹⁶ = 5215579007 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 (5215644503) 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, 11003233 + ... + 11003706.

It is an arithmetic number, because the mean of its divisors is an integer number (880277600).

Almost surely, 2^5215644543 is an apocalyptic number.

5215644543 is a deficient number, since it is larger than the sum of its proper divisors (1826576257).

5215644543 is a wasteful number, since it uses less digits than its factorization.

5215644543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007021.

The product of its digits is 288000, while the sum is 39.

The square root of 5215644543 is about 72219.4194313413. The cubic root of 5215644543 is about 1734.2138961936.

The spelling of 5215644543 in words is "five billion, two hundred fifteen million, six hundred forty-four thousand, five hundred forty-three".