5331515551 has 4 divisors (see below), whose sum is σ = 5333470504. Its totient is φ = 5329560600.

The previous prime is 5331515531. The next prime is 5331515573. The reversal of 5331515551 is 1555151335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555151335 = 5 ⋅311030267.

It is a cyclic number.

It is not a de Polignac number, because 5331515551 - 2⁹ = 5331515039 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 (5331515521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973380 + ... + 978841.

It is an arithmetic number, because the mean of its divisors is an integer number (1333367626).

Almost surely, 2^5331515551 is an apocalyptic number.

5331515551 is a deficient number, since it is larger than the sum of its proper divisors (1954953).

5331515551 is a wasteful number, since it uses less digits than its factorization.

5331515551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954952.

The product of its digits is 28125, while the sum is 34.

The square root of 5331515551 is about 73017.2277685205. The cubic root of 5331515551 is about 1746.9624095248.

Adding to 5331515551 its reverse (1555151335), we get a palindrome (6886666886).

The spelling of 5331515551 in words is "five billion, three hundred thirty-one million, five hundred fifteen thousand, five hundred fifty-one".