5143503551 has 4 divisors (see below), whose sum is σ = 5155220400. Its totient is φ = 5131786704.

The previous prime is 5143503529. The next prime is 5143503557. The reversal of 5143503551 is 1553053415.

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 5143503551 - 2¹⁰ = 5143502527 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 (5143503557) 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, 5857766 + ... + 5858643.

It is an arithmetic number, because the mean of its divisors is an integer number (1288805100).

Almost surely, 2^5143503551 is an apocalyptic number.

5143503551 is a deficient number, since it is larger than the sum of its proper divisors (11716849).

5143503551 is a wasteful number, since it uses less digits than its factorization.

5143503551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716848.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 5143503551 is about 71718.2232839046. The cubic root of 5143503551 is about 1726.1810634392.

Adding to 5143503551 its reverse (1553053415), we get a palindrome (6696556966).

The spelling of 5143503551 in words is "five billion, one hundred forty-three million, five hundred three thousand, five hundred fifty-one".