5213315551 has 4 divisors (see below), whose sum is σ = 5487700600. Its totient is φ = 4938930504.

The previous prime is 5213315533. The next prime is 5213315561. The reversal of 5213315551 is 1555133125.

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 5213315551 - 2⁵ = 5213315519 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 (5213315521) 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, 137192496 + ... + 137192533.

It is an arithmetic number, because the mean of its divisors is an integer number (1371925150).

Almost surely, 2^5213315551 is an apocalyptic number.

5213315551 is a deficient number, since it is larger than the sum of its proper divisors (274385049).

5213315551 is a wasteful number, since it uses less digits than its factorization.

5213315551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274385048.

The product of its digits is 11250, while the sum is 31.

The square root of 5213315551 is about 72203.2932143680. The cubic root of 5213315551 is about 1733.9557260165.

Adding to 5213315551 its reverse (1555133125), we get a palindrome (6768448676).

The spelling of 5213315551 in words is "five billion, two hundred thirteen million, three hundred fifteen thousand, five hundred fifty-one".