5512312291 has 4 divisors (see below), whose sum is σ = 5512722184. Its totient is φ = 5511902400.

The previous prime is 5512312279. The next prime is 5512312301. The reversal of 5512312291 is 1922132155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1922132155 = 5 ⋅384426431.

It is a cyclic number.

It is not a de Polignac number, because 5512312291 - 2⁷ = 5512312163 is a prime.

It is a super-3 number, since 3×5512312291³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5512312991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184065 + ... + 211906.

It is an arithmetic number, because the mean of its divisors is an integer number (1378180546).

Almost surely, 2^5512312291 is an apocalyptic number.

5512312291 is a deficient number, since it is larger than the sum of its proper divisors (409893).

5512312291 is a wasteful number, since it uses less digits than its factorization.

5512312291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409892.

The product of its digits is 5400, while the sum is 31.

The square root of 5512312291 is about 74244.9479156663. The cubic root of 5512312291 is about 1766.4903580116.

The spelling of 5512312291 in words is "five billion, five hundred twelve million, three hundred twelve thousand, two hundred ninety-one".