5551542431 has 8 divisors (see below), whose sum is σ = 5624942400. Its totient is φ = 5478220800.

The previous prime is 5551542421. The next prime is 5551542439. The reversal of 5551542431 is 1342451555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551542431 is a prime.

It is a super-2 number, since 2×5551542431² = 61639246726386779522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5551542391 and 5551542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551542439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130631 + ... + 167831.

It is an arithmetic number, because the mean of its divisors is an integer number (703117800).

Almost surely, 2^5551542431 is an apocalyptic number.

5551542431 is a deficient number, since it is larger than the sum of its proper divisors (73399969).

5551542431 is a wasteful number, since it uses less digits than its factorization.

5551542431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39169.

The product of its digits is 60000, while the sum is 35.

The square root of 5551542431 is about 74508.6735286571. The cubic root of 5551542431 is about 1770.6710544575.

Adding to 5551542431 its reverse (1342451555), we get a palindrome (6893993986).

The spelling of 5551542431 in words is "five billion, five hundred fifty-one million, five hundred forty-two thousand, four hundred thirty-one".