5213552543 has 4 divisors (see below), whose sum is σ = 5214393360. Its totient is φ = 5212711728.

The previous prime is 5213552489. The next prime is 5213552563. The reversal of 5213552543 is 3452553125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5213552543 is a prime.

It is a super-2 number, since 2×5213552543² = 54362260237243533698, 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 (5213552563) 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, 411038 + ... + 423531.

It is an arithmetic number, because the mean of its divisors is an integer number (1303598340).

Almost surely, 2^5213552543 is an apocalyptic number.

5213552543 is a deficient number, since it is larger than the sum of its proper divisors (840817).

5213552543 is an equidigital number, since it uses as much as digits as its factorization.

5213552543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840816.

The product of its digits is 90000, while the sum is 35.

The square root of 5213552543 is about 72204.9343396973. The cubic root of 5213552543 is about 1733.9820002371.

The spelling of 5213552543 in words is "five billion, two hundred thirteen million, five hundred fifty-two thousand, five hundred forty-three".